YYC - ORD

$152 Find Cheap Flights from Calgary to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Calgary to O'Hare Intl departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Calgary to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Calgary to Chicago, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$265
Typical prices: $308-$224
American Airlines
Fri 9/11Sun 9/20
YYC - ORD • Non-stop
Cheapest one-way
$152
Typical prices: $143-$217
Air Canada
Thu 9/17
YYC - ORD • 2 stops
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American Main Cabin Extra adds early boarding; United sells Priority Boarding.
WestJet Premium cabin includes two checked bags; airline Wi-Fi is paid or limited.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $265 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, United Airlines and WestJet. Average duration is 3h 39m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $250 (round-trip)
Shortest trip • 7h 37m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
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+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to O'Hare Intl!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Calgary to O'Hare Intl (YYC-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Calgary to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Calgary to O'Hare Intl

Fri, Sep 11 - Sun, Sep 20
American Airlines Logo
7:00 am - 11:29 am
YYC
-
ORD
3h 29mnonstop
American Airlines Logo
8:30 pm - 11:29 pm
ORD
-
YYC
3h 59mnonstop
$265American Airlines
Tue, Aug 25 - Sat, Sep 5
Air Canada Logo
6:00 am - 2:44 pm
YYC
-
ORD
7h 44m
1 stop
Air Canada Logo
3:40 pm - 11:32 pm
ORD
-
YYC
8h 52m
1 stop
$283Air Canada
Fri, Sep 4 - Fri, Sep 11
WestJet Logo
12:00 pm - 4:40 pm
YYC
-
ORD
3h 40mnonstop
WestJet Logo
5:30 pm - 8:25 pm
ORD
-
YYC
3h 55mnonstop
$285WestJet
Thu, Aug 27 - Sat, Sep 5
Air Canada Logo
6:30 am - 4:57 pm
YYC
-
ORD
9h 27m
1 stop
Air Canada Logo
3:40 pm - 11:32 pm
ORD
-
YYC
8h 52m
1 stop
$288Air Canada
Mon, Aug 24 - Tue, Sep 1
Air Canada Logo
1:00 am - 10:16 am
YYC
-
ORD
8h 16m
1 stop
Air Canada Logo
5:35 pm - 1:51 am
ORD
-
YYC
9h 16m
1 stop
$289Air Canada
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
12:30 pm - 5:05 pm
YYC
-
ORD
3h 35mnonstop
United Airlines Logo
8:40 am - 11:28 am
ORD
-
YYC
3h 48mnonstop
$290United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
12:30 pm - 5:05 pm
YYC
-
ORD
3h 35mnonstop
United Airlines Logo
8:40 am - 11:28 am
ORD
-
YYC
3h 48mnonstop
$291United Airlines
Fri, Oct 30 - Mon, Nov 2
Air Canada Logo
6:00 am - 2:56 pm
YYC
-
ORD
7h 56m
1 stop
Air Canada Logo
4:00 pm - 11:24 pm
ORD
-
YYC
8h 24m
1 stop
$293Air Canada
Wed, Oct 21 - Sat, Oct 24
Delta Logo
7:15 am - 5:57 pm
YYC
-
ORD
9h 42m
1 stop
Delta Logo
12:15 pm - 8:54 pm
ORD
-
YYC
9h 39m
1 stop
$294Delta
Wed, Oct 21 - Sat, Oct 24
Delta Logo
7:15 am - 5:57 pm
YYC
-
ORD
9h 42m
1 stop
Delta Logo
12:15 pm - 8:54 pm
ORD
-
YYC
9h 39m
1 stop
$295Delta
Booking Insights

KAYAK's insights & trends for Calgary to O'Hare Intl flights

Get data-powered insights and trends into flights from Calgary to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Calgary to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Calgary to Chicago O'Hare Intl Airport departing in September.

What’s the cheapest day of the week to fly from Calgary to Chicago O'Hare Airport?

The average price of all round-trip flights from Calgary to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Calgary to Chicago O'Hare Airport, you should consider leaving on a Friday and avoid Mondays if you are looking for the best rates. For your return to Calgary, you’ll find the best rates on Fridays and the most expensive ones on Thursdays.

What is the cheapest month to fly from Calgary to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Calgary to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Calgary to Chicago O'Hare Intl Airport is November, where tickets cost $245 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $388 and $376 respectively.

Can I save money by flying with a layover from Calgary to Chicago O'Hare Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $324 on average.

How far in advance should I book a flight from Calgary to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Calgary to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Calgary to Chicago O'Hare Intl Airport, you should book around 6 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Expert advice

Expert advice for your flight from Calgary to O'Hare Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on WestJet, United Airlines, Air Canada and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYC

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Good to know

Low seasonFebruary
Cheapest flight$152
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Calgary to Chicago O'Hare Airport

When to book flights from Calgary to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Calgary to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Calgary to Chicago O'Hare Airport flights

  • What is the cheapest flight from Calgary to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from Calgary to Chicago O'Hare Intl Airport was $152 for a one-way ticket and $265 for a round-trip.

  • Do I need a passport to fly between Calgary and Chicago O'Hare Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Calgary and on arrival in Chicago O'Hare Airport.

  • Which airports will I be using when flying from Calgary to Chicago O'Hare Airport?

    Calgary and Chicago O'Hare Airport are both served by 1 main airport. You will leave Calgary from Calgary and will be arriving at Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from Calgary to Chicago O'Hare Airport?

    American Airlines, Air Canada, WestJet, and United Airlines offer inflight Wi-Fi service on the Calgary to Chicago O'Hare Airport flight route.

  • Which aircraft models fly most regularly from Calgary to Chicago O'Hare Airport?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Calgary to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Calgary to Chicago O'Hare Airport?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Calgary and Chicago O'Hare Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Calgary to Chicago O'Hare Airport?

    There are nonstop flights from Calgary to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Calgary to Chicago, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Calgary to Chicago are Delta and United Airlines. With an average price for the route of $288 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $483 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Calgary to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Calgary to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Calgary to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Calgary is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Calgary to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Calgary with another airline. Booking your flights between Calgary and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Calgary to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Calgary up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Calgary to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $224 or less one-way and $335 or less round-trip.

Prefer to fly direct from Calgary to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Calgary to Chicago O'Hare Intl.
Find which airlines fly direct from Calgary Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Calgary to Chicago O'Hare Intl

Monday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Tuesday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Wednesday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Thursday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Friday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Saturday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Sunday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

See more direct flights

Direct returns

Chicago O'Hare Intl to Calgary

Monday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Tuesday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Wednesday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Thursday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Friday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Saturday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

Sunday

American Airlines,United Airlines,WestJet

American Airlines,United Airlines, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Calgary to O'Hare Intl

 
See real verified KAYAK customer reviews for airlines flying from Calgary to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Calgary to O'Hare Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8397 reviews
8.1Boarding
7.8Entertainment
7.2Food
8.5Crew
7.8Comfort
Airline reviews

Should never have had to go to Detroit from Orlando back to Tennessee!

6.0 GoodCynthia, Jun 2026
DTW - TYS
Read more Delta reviews

Should never have had to go to Detroit from Orlando back to Tennessee!

Got rerouted from a straight flight from Orlando to Atlanta to Knoxville to a flight from Orlando to Detroit to Knoxville! Seriously!! Flight delay out of Detroit! Long day for what should have been a pretty easy travel day!

Two delays on two separate planes with parts they could not easily find and replace.

I like the lane and orderliness and timely everything was executed. Amazing

If you cant travel Delta One, Comfort Class is the next best thing!

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Only beverages were offered to first class and I thought the flight attendant could have also served the Delta Comfort as well instead of sitting down and staring at her phone and walking past all of us to the back of the plane to charge her phone more. There was a complete lack of turbulence and was safe enough for flights attendant to walk around in the front of the plane, collect trash and serve a few people water and turn off the seat belt light. Also didn’t enforce people putting their seats into the upright position and allowed two passengers to remain reclined during landing. They seemed out to lunch completely. Usually my experience on Delta is much better.

The seats were really comfortable. Flight crew were friendly with passengers. Overall was a great flight.

Arrived early, comfortable seats (Comfort+). Mediocre food, poor wifi (intermittent).

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

I flew from Barcelona to Chicago on UA yesterday. The flight was on time, the pilots did a great job and the flight attendants were super nice. All of them. Also food was good, and the drinks, including wine were served a few times during our flight. I highly recommend this airline.

Boarded early, left early, arrived 40 mins early! A win win for me!

These airplanes should be illegal. The seats are two tight, it is a safety issue. Wheelchair support was ridiculously slow. We almost missed our flight.

This flight is a quick way to get to Chicago, but a bit expensive.

The clerk at check in for my bags was very rude. My credit card was hacked during my vacation and she told me it was not possible to pay in cash for my bag. “You bought the cheapest ticket, you should have bought a ticket that included a bag. If you cannot pay with a credit card, we will not let you on this flight”. She spoke to her supervisor and then told me , I could ask other passengers, if they would use their credit card to check my bag. I had to beg 5 different people, till one agreed to use their credit card. I payed them cash of course. This was a very stressful and humiliating experience for me. I strongly suggest you build in some kind of provision for travelers who got robbed.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Flight crew was super friendly and helpful. Food was frequent and honestly pretty good. Plenty of on-board entertainment. Economy seats are super cramped for such a long flight, but the crew allowed people to get up and stretch, and kids could wander with their parents, so we all made it work. Overall a very good experience.

Standard flight with a drinks and a snack- overall very quick flight. The flight attendants were very strict, bordered on rude.

Starlink is great Crew was polite Business class didn’t get a welcome drink just water and snacks were ok

Despite travelling ultra basic for the first time due to such increased rates we both managed with one bag each. Even boarding last wasn’t SO bad.

Food was not inspired but was satisfying. Same for infotainment selection. You’d think business class would come with complimentary WiFi. Crew was uniformly attentive and excellent.

Better movie options. More diligence on the size and amount of bags people bring on board. Lady across aisle from me had a bucket style bag that would only go so far under the seat in front of her. She was not told once that the whole bag is supposed to be under the seat. Crew is very hardworking however.

I didn’t have any food but my Prosecco hit the spot. We left on time and the crew was friendly.

Flight didn’t happen because both my connections were lost and Toronto wouldn’t let me board. I was checked in to all 3 flights at the check-in fest in Dublin.

I wasn’t able to book or pay for a seat and they forgot to check me in for my third flight so I spent 24 hours in Toronto waiting for another one.

Flight was delayed for 5hours. Food vouchers just aren’t good enough

Flight was early. That’s the only positive I can share. I paid for wifi on the flight and it didn’t allow me to use any streaming services so it was a waste of $20. West Jet also lost my ski equipment on my way to a ski vacation. They told me it would be delivered to the hotel as soon as it arrived at the airport. It was never delivered. I had to pick it up at the airport on my way home. I am completely disgusted with my experience on west jet

No kiosk to help pre boarding unlike other airlines, still lost the luggage despite its own crew/TSA or security tagging it, poor handling of lost luggage and possibly compensation is likely poor too.

Everything was great until we had to get our bags. The bags came out in several different batches over 90 minutes after we landed maybe more we got our bags. So much for the old West Jet where they promised bags in 20 minutes. I Next time I will pack lighter and go with a carry-on.

The flight attendants were extremely sourly and borderline rude. I did not feel appreciated as an AA customer once.

The flight from LA to Chicago was smooth and service was very good overall.

The Mario was so helpful and provided amazing customer service however l have being waiting for a callback for almost a week now and have not heard anything further after l informed them l wanted to change my date of traveling because of my hospital appointment even send them proof and l was unable to use manag your booking on their website is a bit frustrating and l would appreciate an update on My request as soon as possible. And have called them times without numbers no response

Awful, tons of delays, I got into Chicago multiple hours late meaning I hit the very traffic I tried so desperately to avoid. Just empty apologies from American Airlines text alerts. Trash behavior from a trash airline.

They lost my baggage and I am still struggling to the information and update

The homeless eat better than what was served on that plane. Pretzels and ice cream? My last trip to Europe. Everything is small, but the bill.

Awful customer service, horrible experience. We travel a lot domestic & international- worst flights to/from ever. Brief bkgd as Inhate to relive this experience: booked and chose 2 seats 4 months prior in Premium Economy - last row end seats close to bathroom, no one behind us, plenty of legroom;, underwear storage — flown this was on other airlines, love it. We receive notice 4 days before scheduled overseas flight - plane has changed, new seats assigned. Seats are split into single seats, opposites of the plane, FRONT Row so no reachable storage. Called BOTH British Air & America. American “switched planes and the seats you want are taken;” British Air “Yes, we’ll be glad to accommodate you (type type type). Just ask at the Gate and someone will give you new boarding passes with seats together in middle, OK?” — OK. —At Gate the attendant looks us up saying “No, it is an overbooked flight and yours are the only seats available.” But but but wait, “We were TOLD our seats had been switched and seated together?” Gate attendant “Well they were wrong and don’t change your seats. Your original seats are where you’ll sit.”. Right. No help WHATSOEVER. We sit opposite on way there, wife VERY disgruntled, a Tol 5 worst ways to start a 3-week bus tour of UK. We promise to NEVER FLY AMERICAN OR BROTISH AIR EVER, and we have 3 more extensive trips planned..

Requested early boarding to disinfect seat, tray table, etc. before general boarding. Instructed to board after wheelchair passengers. Waited on jet bridge behind 12 wheelchair passengers. Stopped immediately after entering plane to wait for gate agent in rear of plane cleaning a seat that was wet, got to my row and found both seats adjacent to mine already occupied, with the lack of room making it impossible for me to clean my own space and defeating the purpose of my boarding early. Cleaned the armrests and tray table as best I could.

The wifi experience is awful. I had to try again and again, taking over 30 minutes, to connect to the wifi. I had to watch the same two ads over and over until I was finally successful. Once connected, it was anything but "high speed" and disconnected at least three times during the flight.

It was good, the staff was great, and the food, was as usual, tea and biscuit. Bathroom was clean, and the plane was clean as well.

I was tired enough to fall asleep soon after takeoff and slept until "we are starting our descent to Toronto" announcement. That's not bad at all.

After 3 hours of delays, they ended up cancelling my flight. And although I could purchase one-way tickets to get to my destination, they would not offer me these flights as compensation for the cancelled flight, and I didn't end up making it home until 13 hours after I was originally supposed to arrive. It made for an extremely strenuous end to an otherwise good trip.

My experience was good with United too But only not so good thing was that at Calgary airport I was not given lounge access despite of flying business. Aspire lounge denied it to me, which was unfair I feel

It's kindof ridiculous that your system is even asking me about this since my flight was canceled and I wasn't rescheduled.

Bad service as well. Another 3hr delayed flight from chicago to Charlotte.

Very bad service the way back we was on the way for r two days very bad condition and waiting for luggage till now

Pros: The airplane was new and had in-flight entertainment (tablet behind seats) with new movies instead of watching on personal devices. Cons: the flight time was changed without informing us. When I booked the flight, the time was 13:30pm (also in the email confirmation). However, when I reached the airport, the time was conveniently changed to 14:55pm. When I asked at the counter, they said the flight always took off at this time. The booking was made by Air Canada, but the flight was operated by United.

United had no (zero) record of our flight. It took over an hour of us standing in line with surly employee while others waited to get resolved. I have never experienced such poor service and poor empathy.

Or the greatest and it ended up picking us up from Chicago to Toronto not sure who was tesponsible for the 4 hr delay. United should have been properly prepared for a scheduled flight from Austin to Chicago and they were not.

My flight was overbooked and they would not let me board. I had to book another flight and pay the full amount of that flight. I did not get any help at all from Air Canada or United Airlines.

Everything you need to know for your flight from Calgary to O'Hare Intl

Information on your arrival and departure airports