ORD - IAH

$63 Find Cheap Flights from Chicago O'Hare Airport to Houston George Bush Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to George Bush Intcntl departing on 5/14. 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 Houston George Bush Intcntl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Houston, 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 Chicago to Houston, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$125
Typical prices: $278-$144
Spirit Airlines, Frontier
Thu 5/7Mon 5/11
ORD - IAH • Non-stop
Cheapest non-stop
$125
Typical prices: $294-$183
Spirit Airlines
Thu 6/4Sat 6/6
ORD - IAH • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Choose Economy Plus on United for extra legroom.
Expect long security lines at Chicago O'Hare Intl.
Expert advice
Expert advice
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Top airlines
Cheapest • from $127 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
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+1
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Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, Frontier and others. Average duration is 3h 01m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 34% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 22% price drop
Most popular
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We hope you love your trip to George Bush Intcntl!
Flight Deals
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Flight Deals

Cheap Flights from O'Hare Intl to George Bush Intcntl (ORD-IAH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl to George Bush Intcntl 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 O'Hare Intl to George Bush Intcntl

Thu, May 7 - Mon, May 11
Multiple Airlines Logo
8:59 pm - 11:52 pm
ORD
-
IAH
2h 53mnonstop
Multiple Airlines Logo
8:29 am - 11:59 pm
IAH
-
ORD
15h 30m
1 stop
$125Multiple Airlines
Thu, May 7 - Mon, May 18
Multiple Airlines Logo
8:59 pm - 11:52 pm
ORD
-
IAH
2h 53mnonstop
Multiple Airlines Logo
8:50 pm - 7:55 am
IAH
-
ORD
11h 05m
1 stop
$126Multiple Airlines
Fri, May 15 - Mon, May 18
Frontier Logo
9:37 pm - 1:44 pm
ORD
-
IAH
16h 07m
1 stop
Frontier Logo
8:50 pm - 7:55 am
IAH
-
ORD
11h 05m
1 stop
$127Frontier
Thu, May 28 - Sat, May 30
Frontier Logo
4:05 pm - 7:17 pm
ORD
-
IAH
3h 12mnonstop
Frontier Logo
8:12 pm - 11:01 pm
IAH
-
ORD
2h 49mnonstop
$128Frontier
Sat, Jun 6 - Wed, Jun 17
Frontier Logo
4:05 pm - 7:17 pm
ORD
-
IAH
3h 12mnonstop
Frontier Logo
11:12 am - 7:55 pm
IAH
-
ORD
8h 43m
1 stop
$129Frontier
Fri, May 8 - Sun, May 10
Multiple Airlines Logo
5:30 pm - 8:50 am
ORD
-
IAH
15h 20m
1 stop
Multiple Airlines Logo
7:15 am - 9:54 am
IAH
-
ORD
2h 39mnonstop
$130Multiple Airlines
Thu, Jun 18 - Mon, Jul 6
Multiple Airlines Logo
2:21 pm - 5:12 pm
ORD
-
IAH
2h 51mnonstop
Multiple Airlines Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
$131Multiple Airlines
Thu, May 14 - Sat, May 16
Multiple Airlines Logo
9:20 am - 4:16 pm
ORD
-
IAH
6h 56m
1 stop
Multiple Airlines Logo
8:12 pm - 11:01 pm
IAH
-
ORD
2h 49mnonstop
$132Multiple Airlines
Thu, May 21 - Mon, May 25
Spirit Airlines Logo
8:59 pm - 11:52 pm
ORD
-
IAH
2h 53mnonstop
Spirit Airlines Logo
7:15 am - 9:54 am
IAH
-
ORD
2h 39mnonstop
$133Spirit Airlines
Thu, Apr 23 - Fri, Apr 24
Frontier Logo
5:20 am - 8:27 am
ORD
-
IAH
3h 07mnonstop
Frontier Logo
4:42 pm - 6:08 am
IAH
-
ORD
13h 26m
1 stop
$134Frontier
Booking Insights

KAYAK's insights & trends for O'Hare Intl to George Bush Intcntl flights

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

How much is a round-trip flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl 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 Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport departing in May.

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

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

Your flight ticket price will generally be cheaper if you fly to Houston George Bush Airport on a Thursday and more expensive on a Monday. On your return trip to Chicago O'Hare Airport, you should consider flying back on a Friday, and avoid Mondays for better deals.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl 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 Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is August, where tickets cost $182 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is $337 and $262 respectively.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl 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 Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, you should book around 3 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Expert advice

Expert advice for your flight from O'Hare Intl to George Bush Intcntl

 
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 United Airlines, Frontier 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.

Joe Cortez

Joe Cortez

Expert on Spirit Airlines

Joe Cortez is a seasoned managing editor in aviation with over a decade of industry experience. His work has been featured on prominent platforms such as FlyerTalk and TripSavvy, establishing him as a respected voice in aviation journalism.

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.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Good to know

Low seasonSeptember
Cheapest flight$63
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 45% increase in price.
Flight from Chicago O'Hare Airport to Houston George Bush Airport

When to book flights from O'Hare Intl to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from O'Hare Intl to George Bush Intcntl 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 Chicago O'Hare Airport to Houston George Bush Airport flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport was $63 for a one-way ticket and $125 for a round-trip.

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

    No

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

    American Airlines, JetBlue, and GOL offer inflight Wi-Fi service on the Chicago O'Hare Airport to Houston George Bush Airport flight route.

  • Which aircraft models fly most regularly from Chicago O'Hare Airport to Houston George Bush Airport?

    The Airbus A321neo is the aircraft model that flies most regularly on the Chicago O'Hare Airport to Houston George Bush Airport flight route.

  • Which airline alliances offer flights from Chicago O'Hare Airport to Houston George Bush Airport?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Chicago to Houston are United Airlines and American Airlines. With an average price for the route of $343 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $260 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport to Houston George Bush 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 Chicago O'Hare Airport to Houston George Bush Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston George Bush Airport from Chicago O'Hare Airport 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 Chicago O'Hare Airport to Houston George Bush 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 Houston George Bush Airport with an airline and back to Chicago O'Hare Airport with another airline. Booking your flights between Chicago O'Hare Airport and IAH 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 Chicago O'Hare Airport to Houston George Bush 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 Houston George Bush Airport from Chicago O'Hare Airport 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 Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $130 or less one-way and $281 or less round-trip.

Prefer to fly direct from Chicago O'Hare Airport to Houston George Bush Airport?

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

Direct departures

Chicago O'Hare Intl to Houston George Bush Intcntl

Monday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

See more direct flights

Direct returns

Houston George Bush Intcntl to Chicago O'Hare Intl

Monday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Spirit Airlines, +1 more

American Airlines,Frontier, +2 more

See more direct flights

Reviews of the top 4 airlines serving from O'Hare Intl to George Bush Intcntl

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Houston. 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 O'Hare Intl to George Bush Intcntl? 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.
7.4
United AirlinesOverall score based on 9565 reviews
6.6Food
8.1Crew
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

This was the first flight in the morning. We boarded fine. The cabin door was closed and we were ready to go. We were notified by the Captain that ATC issued and ground stop for 40 minutes. So, without even pushing back from the gate, we were already 40 minutes late. We actually were released to push-back and taxi at 30 minutes. But, some passengers had tight connections and were not going to make their connections. Some passengers asked about the delay and the effect on the connections and were told by the cabin attendant that all flights will be delayed and so they should be OK. However, that was not true. My connecting flight was on time and I arrived at IAH with 21 minutes to make my connection. I did and I'm happy about that, but the flight crew should not have given assurances to the passengers who might have missed their connections.

2.0 MediocreDr. Joseph, Apr 2026
JAN - IAH
Read more United Airlines reviews

This was the first flight in the morning. We boarded fine. The cabin door was closed and we were ready to go. We were notified by the Captain that ATC issued and ground stop for 40 minutes. So, without even pushing back from the gate, we were already 40 minutes late. We actually were released to push-back and taxi at 30 minutes. But, some passengers had tight connections and were not going to make their connections. Some passengers asked about the delay and the effect on the connections and were told by the cabin attendant that all flights will be delayed and so they should be OK. However, that was not true. My connecting flight was on time and I arrived at IAH with 21 minutes to make my connection. I did and I'm happy about that, but the flight crew should not have given assurances to the passengers who might have missed their connections.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

Fine. The issues I had were associated with luggage being delayed from Turkey to Tanzania

We purchase first class seats for the first time for multiples of standard economy ticket. There was no access to the club lounge and no priority boarding. The meal and the service once on the plane were superior and the seat was nicer, but not worth the price difference. I will be happy to seat in economy and spend the difference on more travel.

My flight was canceled a few hours before boarding. I was rebooked on Copa airlines and missed an important meeting .

Everything was on time and service on the flight was great!

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

This trip did not start off well. The inbound flight was delayed about 20 minutes. Then, after initial onboarding, the passengers had to deplane due to a mechanical problem. That took about 30 minutes to fix and be cleared. Then, reboarding was chaotic. It took a long time to sort passengers and two passengers on standby were ticketed but there was no seat. So, they had to deplane. One of the flight crew was trying to help passengers figure out a place to put their carry-on bags and that took more time. In the end, our scheduled 10:30 am departure did not actually take off until about 12:05 pm CST. The flight itself was long but we got to Houston. Some passengers missed their connecting flights and had to rebook. Not the best of flights I've had.

Complimentary light meal would be appreciated. But great flight crew service on all legs

Delays experienced in boarding/take off due to incoming plane delayed. However, the boarding time/depart time in the app was significantly delayed in providing these updates. Usually not updated until an hour after we should have already boarded. Poorly managed.

Moved to earlier flight which unexpectedly had maintenance issues initially indicated as quick fix to ultimately plane changes. Moved back to original flight, also delayed. In all cases customer updates and communication very unclear, no updates on drivers for delays.

Typical AA - late by 90+ mn. Gate changed twice... Changed the departure time 6 times No explanation, no communication on reasons for delay I travel with AA twice a year... and it is consistently very poor.. I will continue to use AA only when i have to.

The gate got changed several times and the flight was delayed over an hour. Awful experience

American continues to decline in their customer service and its beyond disappointing.

It was an older plane. First Class was not especially roomy or comfortable. It was a short flight so there were no meal but they did offer mixed nuts which used to be normal but now is rare. Crew member was very polite and professional.

Flight to Tampa was delayed taking off due to plane arriving late but no other issues

As previously stated the delay I experienced flying from Wichita to Chicago caused a host of issues. When I finally was able to be booked on the last remaining American flight from Chicago to Cincinnati, the gate changed four times with the last change occurring very near the scheduled boarding time. While I didn't have a problem moving from gate to gate, I did notice and make note of others that had mobility issues and had to move each time for the gate change.

Maintenance took a very long time and then we were in a holding pattern. While a one-off maintenance issue is standard, there were delays on both of my flights for this trip based on maintenance issues with the planes, which delayed both flights over 45 minutes. Thankfully, I didn't have any connections but it wasn't an experience that would make me pick AA if I have other options.

No Snacks or Entertainment. The flight was short, snacks should still be given.

flight delayed because of poor staffing and organization - confusion from gate agents and flight attendant supervisors scheduling a missing flight attendant. flight delay 1 hr 30 min

We get stuck in the plane when landed during 45min and no communication from the crew People were listening to their phone and music out loud and nobody told them anything I definitely want stop booking spirit flight it is a disaster

Good: It was cheap and they got us to our destination safely. Not so Good: Gates experience with many, many nauseatingly (almost) threatening announcements about bags size and how much they were going to charge us if our bag was too big, even to the point of having a gate agent roaming around through the passengers eyeballing bags size and making people go check their bags in the sizers.

Terrible. The flight was randomly delayed in Chicago causing us to miss our connection and they offered us a flight the next day at 6 am and it would have taken till 345 to get to Pensacola. They didn’t cover any fees. Our bags also supposedly were on the flight to Pensacola and we tried to get them yesterday after driving 6 hours and nobody was available. Worst company ever and will never use them again. Had to pay for a rental. Spirit is claiming in climate weather for the delay but there wasn’t any weather issuesz it’s a bunch of bullshit and I am not happy

Checking in at desk in Chicago was horrible. Person was not friendly never smiled and said my flight was not paid for so I had to give another credit card. Then it ended up that I was charged twice. Then after arriving at my destination had to wait on the phone a long time to speak to a person to fix the double charge! Thank goodness the flight was perfect.

Flight was delayed for 12 h. They should stop overlooking flights.

All of our flights were canceled, though every other airline was flying out and in

it was terrible. flight was cancelled hours before the flight without a given reason and no other booking available .

Spirit Airlines has a reputation for being a terrible, cheap airline, this is why. I took a gamble on them, having never flown with them before, and the flight got cancelled. First they delayed the flight about 4 times before finally canceling it because a flight attendant didn’t show up to work that day. That’s so stupid. When I asked a ticketing agent she said that’s “company policy”. A company policy that inconveniences hundreds of passengers because a single flight attendant didn’t show is ridiculous and inefficient. I will never, ever try flying Spirit Airlines again.

Cancelled my flight and the earliest that they are willing give me for the next flight which was 3 days later on a weekday. Only accommodation they are willing to give was $30 airline credit that will expire in 1 year

They switched our terminal 3 times and we were delayed for four plus hours!!!

It was an early flight and most people napped/slept and the crew let us which was nice.

The crew acted like they had never done this and kept barking passive aggressive orders at people. + the security line + the delay + sitting on the tarmac for 2 hours + none of the apps or signage updating with correct times

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Everything you need to know for your flight from O'Hare Intl to George Bush Intcntl

Information on your arrival and departure airports