CHI - IAH

$66 Find Cheap Flights from Chicago 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 Chicago to George Bush Intcntl departing on 5/27. 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
$113
Typical prices: $243-$118
Frontier
Wed 8/12Thu 8/13
ORD - IAH • Non-stop
Cheapest one-way
$61
Typical prices: $118-$228
Frontier
Wed 5/27
ORD - IAH • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus offers more legroom than standard.
At IAH, rideshare pickups are at Terminals A, B, and C.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $113 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, Frontier and United Airlines. Average duration is 2h 56m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 42% average savings
Most popular
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
Insights
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When to travel
Cheapest • 81% price drop
Most popular
Good to know
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+1
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We hope you love your trip to George Bush Intcntl!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Chicago to George Bush Intcntl (CHI-IAH)

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

Wed, Aug 12 - Thu, Aug 13
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
$113Frontier
Tue, Jun 9 - Fri, Jun 19
Frontier Logo
5:29 pm - 8:52 pm
ORD
-
IAH
3h 23mnonstop
Frontier Logo
9:58 pm - 12:48 am
IAH
-
ORD
2h 50mnonstop
$114Frontier
Sat, Oct 10 - Tue, Oct 13
Frontier Logo
9:20 am - 3:05 pm
ORD
-
IAH
5h 45m
1 stop
Frontier Logo
6:42 pm - 9:34 pm
IAH
-
ORD
2h 52mnonstop
$115Frontier
Fri, Oct 16 - Mon, Oct 19
Frontier Logo
2:46 pm - 5:47 pm
ORD
-
IAH
3h 01mnonstop
Frontier Logo
6:42 pm - 9:34 pm
IAH
-
ORD
2h 52mnonstop
$118Frontier
Wed, Jun 17 - Sat, Jun 27
Frontier Logo
5:29 pm - 8:52 pm
ORD
-
IAH
3h 23mnonstop
Frontier Logo
9:58 pm - 12:48 am
IAH
-
ORD
2h 50mnonstop
$119Frontier
Wed, Jul 1 - Wed, Jul 8
Frontier Logo
5:29 pm - 8:52 pm
ORD
-
IAH
3h 23mnonstop
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
$120Frontier
Sat, Jun 6 - Tue, Jun 9
Frontier Logo
4:05 pm - 7:17 pm
ORD
-
IAH
3h 12mnonstop
Frontier Logo
9:58 pm - 12:48 am
IAH
-
ORD
2h 50mnonstop
$122Frontier
Tue, Oct 6 - Wed, Oct 14
Frontier Logo
2:46 pm - 5:47 pm
ORD
-
IAH
3h 01mnonstop
Frontier Logo
1:35 pm - 8:28 pm
IAH
-
ORD
6h 53m
1 stop
$123Frontier
Wed, Jul 1 - Wed, Jul 22
Delta Logo
6:00 am - 1:38 pm
MDW
-
IAH
7h 38m
1 stop
Delta Logo
5:40 am - 11:56 am
IAH
-
MDW
6h 16m
1 stop
$197Delta
Wed, Jul 1 - Wed, Jul 22
Delta Logo
1:26 pm - 11:56 pm
MDW
-
IAH
10h 30m
2 stops
Delta Logo
5:40 am - 11:56 am
IAH
-
MDW
6h 16m
1 stop
$202Delta
Booking Insights

KAYAK's insights & trends for Chicago to George Bush Intcntl flights

Get data-powered insights and trends into flights from Chicago 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 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 to Houston George Bush Intcntl Airport departing in August.

What is the cheapest Chicago to Houston George Bush Intcntl Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The absolute cheapest return flight from Chicago to Houston George Bush Intcntl Airport costs $113 on the route between Chicago O'Hare Intl Airport (ORD) and Houston George Bush Intcntl Airport (IAH). However, over the past month, flights between Chicago Midway Airport (MDW) and Houston George Bush Intcntl Airport (IAH) were, on average, 42% cheaper than other Chicago-Houston George Bush Intcntl Airport routes. The most popular route is between Chicago O'Hare Intl Airport (ORD) and Houston George Bush Intcntl Airport (IAH).

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

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

For Chicago to Houston George Bush Airport, Thursday is the cheapest day to fly on average and Monday is the most expensive. Flying from Houston George Bush Airport back to Chicago, the best deals are generally found on Friday, with Monday being the most expensive.

What is the cheapest month to fly from Chicago 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 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 to Houston George Bush Intcntl Airport is August, where tickets cost $28 (return) on average. On the other hand, the most expensive months are February and March, where the average cost of round-trip tickets is $641 and $638 respectively.

Can I save money by flying with a layover from Chicago to Houston George Bush Intcntl 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 $284 on average.

How far in advance should I book a flight from Chicago 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 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 to Houston George Bush Intcntl Airport, you should book around 3 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Expert advice

Expert advice for your flight from Chicago 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 Frontier, United Airlines 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.

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 seasonJanuary
Cheapest flight$61
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Chicago O'Hare Airport to Houston George Bush Airport

When to book flights from Chicago to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Chicago 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 to Houston George Bush Airport flights

  • What is the cheapest flight from Chicago to Houston George Bush Intcntl Airport?

    In the last 7 days, the lowest price for a flight from Chicago to Houston George Bush Intcntl Airport was $65 for a one-way ticket and $113 for a round-trip.

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

    A passport is not required to fly from Chicago to Houston George Bush Airport.

  • Which airports will I be using when flying from Chicago to Houston George Bush Airport?

    When flying out of Chicago you will be using one of these airports: Chicago Midway or Chicago O'Hare Intl. You will be landing at Houston George Bush Intcntl.

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

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

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

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

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

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

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

    There are nonstop flights from Chicago 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 $374 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 $267 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Chicago 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 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 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 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 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago 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 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 to Houston George Bush Intcntl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $95 or less one-way and $240 or less round-trip.

Prefer to fly direct from Chicago 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 to Houston George Bush Intcntl.
Find which airlines fly direct from Chicago to Houston George Bush Intcntl Airport, which days they fly and book direct flights.

Direct departures

Chicago to Houston George Bush Intcntl

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Houston George Bush Intcntl to Chicago

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Reviews of the top 4 airlines serving from Chicago 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 Chicago 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 9751 reviews
8.1Crew
6.6Food
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

The flight had a delay but I made it to my connection. Flight was smooth overall

8.0 ExcellentSandy, May 2026
FLL - IAH
Read more United Airlines reviews

The flight had a delay but I made it to my connection. Flight was smooth overall

No screens or meal options. Freezing cold. Dirty seats. Left late.

Overall flight was ok. Flight attendant was receptive to assisting passengers with tight connections.

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.

The airplane was an old model, the overhead didn’t have enough room for people’s items and made boarding and boarding disappointing and stressful. Crew allowed passengers to bring more than the permitted baggage sizes.

Original flight was on time, then late, then changed gates...4 times. Once our newest plane came in, it was fine.

I almost missed my flight and they helped me out enormously

The plane was very creaky and lots of ringing. Plane was dirty and dingy. I couldn't hear the captain's announcements from the flight deck. Not sure if it was the captain or the audio equipment, but good thing there wasn't an emergency where we needed clear instructions. The overhead compartments were clearly full, but the flight crew allowed people to stand in the back with their carry on luggage. Then after everyone boarded, they had to go to the front to gate check their luggage because there was no room for their bags and then they returned to their seats...such a waste of time when clearly the overhead compartments were full when they originally boarded.

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.

THEY WENT OUT OF BUSINESS AND CANCELED FLIGHT. REPLACEMENT FLIGHTS WERE 300% HIGHER SO MY FAMILY COULD NOT GET TOGETHER. WHY AM I GETTING THIS SURVEY?????

The airline cancel mi flight, lost a lot of money!!!

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 .

There weren't enough employees at check in took awhile to get bags checked. There wasn't a wheel chair for me, I was sent to someone who turns out to work for a different airline, if My flight hadn't been delayed I probably would have missed my flight as it was, by the time I arrived at my gate, they started boarding in about 15 minutes. I don't know who took me to my gate, definitely was not the normal people who take passengers to the gate. I'm guessing she may have been in a management position. I wish I knew her name, she went beyond to help me. With that said everyone was kind, and were doing the best they could. So, I choose to say it was an Adventure, stressful start, but good. In the end went well. The situation was not only difficult for passengers but the employee's.

The staff at the check in counter was so rude. Made you feel Incompetent

Frontier scheduled a 40 minute connection in DEN. What they failed to mention was that they “close the doors” 20 mins prior to departure, which means you only have 20 mins. Not enough time. Possibly against DOT regulations. Filing complaint.

Flight was scheduled at 9:40pm. Got delayed to 10 am, the next day. crazy

The bag check, flight check-in, and onboard experience convinced my wife and me that we will actively go out of our way to avoid flying Frontier Airlines in the future. At bag check, we were informed that check-in could only be completed via the Frontier mobile app. Unfortunately, the app was extremely frustrating—sending us through repetitive, confusing loops that repeatedly forced us to decline add-on services with nearly every click. While most airline apps upsell, this one felt intentionally exhausting. As the process dragged on, we became genuinely concerned that my phone battery would die before check-in could be completed. We approached the bag check staff—who were standing together talking—and explained both our frustration and our predicament. They laughed. Later, my wife described the interaction as “gaslighting,” which felt accurate. We were then informed it would cost $25 per person simply to have our boarding passes printed. From that point forward, the tone of the experience was consistently hostile. The bag check employees were condescending and combative, behaving more like bullies than customer service staff. Unfortunately, that same attitude continued onboard. One flight attendant argued with me when I attempted to stow my backpack in the overhead bin. I explained that we had each paid $75 to check our bags specifically so we would not need to use carry-on space and could have adequate legroom. She demanded to see my ticket, pointed out that it said “no carry-on”—which I acknowledged—and I reiterated that this was precisely why we paid to check our bags. Her response was, “I don’t make the rules.” She then walked away, but not before asking if I “truly wanted to fly back to Chicago today?”—an unnecessary and unmistakable threat. It is also worth noting that despite booking our tickets together in the same transaction, we were not seated together. Upon our return to Chicago—where we could once again sit together—we compared onboard experiences. We both remarked on how unhappy the flight attendants appeared and how each of us was separately asked whether we would like to purchase a beverage. We declined. At no point was water mentioned as an option, leaving us with the clear impression that even water came at a cost—or that complimentary water, if available at all, was deliberately left unmentioned. Overall, the experience was shocking and deeply disappointing, but it was also a profound learning experience—one we will not forget and will not repeat. -Steve

Plane was hot and miserable and the crew was rude!

12 hour delay required getting on and off plane 3 times - would have at least liked to have been offered a snack or drink

They didn’t offer a water, even after I asked

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.

Everything you need to know for your flight from Chicago to George Bush Intcntl

Information on your arrival and departure airports