Airlines with flights from Chicago to Houston

There are four airlines with scheduled flights between ORD and IAH. United, American Airlines and Frontier has non-stop flights from Chicago O'Hare to Houston Airport and the flight time is 2 hours and 54 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 2 hours and 54 minutes
  • Chicago and Houston are both United Airlines hubs.
  • 84 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 737MAX 9 Passenger
  • Business and first class available
ORD
Direct
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA2310
05:30
05:30
05:30
05:30
05:30
05:30
05:30
UA1799
06:29
06:29
06:29
06:29
06:29
06:29
06:29
UA1231
07:35
07:35
07:35
07:35
07:35
07:35
07:35
UA535
08:40
08:51
08:51
08:51
08:51
08:51
08:51
UA2638
10:25
10:25
10:25
10:25
10:25
10:30
10:25
UA1448
12:40
12:40
12:40
12:40
12:40
12:40
12:40
UA2451
14:15
14:15
14:15
14:15
14:15
14:15
14:15
UA714
16:05
16:05
16:05
16:05
16:05
16:05
16:05
UA1954
17:45
17:45
17:45
17:45
17:45
17:45
17:45
UA1475
18:40
18:29
18:40
18:40
18:29
18:40
18:29
UA2813
20:02
20:02
20:02
20:02
20:02
20:02
20:02
UA2665
21:40
21:40
21:40
21:40
21:40
21:40
21:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Non-stop with American Airlines

  • Total flight time: 2 hours and 53 minutes
  • One World Alliance
  • Chicago is a American Airlines hub.
  • 34 flights per week
  • Airbus A319
    Boeing 737-800 Passenger
    Embraer 175
  • First class available
ORD
Direct
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA1909
08:00
08:00
----
----
----
----
----
AA2504
----
----
08:00
08:00
08:00
08:00
08:00
AA3322
----
----
09:40
09:40
09:40
09:40
09:40
AA1915
10:00
10:00
----
----
----
----
----
AA2329
----
----
12:59
12:59
12:59
12:59
12:59
AA4426
13:29
13:35
----
----
----
----
----
AA1913
15:07
15:07
----
----
----
----
----
AA2416
----
----
15:10
15:10
15:10
15:10
15:10
AA3144
21:07
21:02
21:15
21:15
21:15
21:15
21:15
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 3 hours and 1 minutes
  • Low-cost airline
  • 7 flights per week
  • Airbus A321neo
ORD
Direct
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
F93135
17:46
17:46
17:30
17:30
17:30
17:30
17:30
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Nashville with United Airlines

  • Total flight time: 4h 06m - 6h 53m.
  • Chicago and Houston are both United Airlines hubs.
  • 128 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 737MAX 9 Passenger
ORD
 
Via BNA
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA2175
UA691
----
07:10
----
----
----
07:00
----
UA2175
UA1366
07:10
----
07:10
07:10
07:10
----
07:10
UA3634
UA1366
08:40
----
08:40
08:40
08:40
----
08:40
UA3634
UA691
----
08:40
----
----
----
----
----
UA2414
UA2339
10:35
10:35
10:35
10:35
10:35
----
10:35
UA2414
UA4847
----
----
----
----
----
10:35
----
UA5509
UA2339
12:31
12:31
12:31
12:31
12:31
----
12:31
UA1928
UA2490
14:12
----
----
14:12
14:08
----
14:12
UA5665
UA2490
15:49
----
----
15:49
----
----
15:49
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Saint Louis with United Airlines

  • Total flight time: 4h 15m - 6h 41m.
  • Chicago and Houston are both United Airlines hubs.
  • 16 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 737MAX 9 Passenger
ORD
 
Via STL
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA1355
UA5580
10:40
----
10:40
10:40
10:40
----
10:40
UA2000
UA6284
14:20
----
----
14:20
14:20
----
14:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Paducah with United Airlines

  • Total flight time: 4h 18m - 4h 25m.
  • Chicago and Houston are both United Airlines hubs.
  • 14 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 737MAX 9 Passenger
ORD
 
Via PAH
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA5071
UA5055
12:12
12:12
12:12
12:12
12:12
12:12
12:12
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Dallas with American Airlines

  • Total flight time: 4h 23m - 6h 54m.
  • One World Alliance
  • Chicago is a American Airlines hub.
  • 301 flights per week
  • Airbus A319
    Boeing 737-800 Passenger
    Embraer 175
ORD
 
Via DFW
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA760
AA1407
----
----
05:00
05:00
05:00
05:00
05:00
AA760
AA1916
05:00
05:00
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----
----
----
----
AA2896
AA3829
----
----
06:00
06:00
06:00
06:00
06:00
AA2896
AA3591
06:04
06:04
----
----
----
----
----
AA1360
AA1397
----
----
06:59
06:59
06:59
06:59
06:59
AA1902
AA2512
07:02
----
----
----
----
----
----
AA1902
AA3584
----
07:02
----
----
----
----
----
AA1555
AA2512
08:19
----
----
----
----
----
----
AA1555
AA3584
----
08:19
----
----
----
----
----
AA1555
AA1397
----
----
08:20
08:20
08:20
08:20
08:20
AA1459
AA1393
----
----
09:40
09:40
09:40
09:40
09:40
AA3052
AA3583
09:40
09:40
----
----
----
----
----
AA1106
AA3583
10:37
10:37
----
----
----
----
----
AA1106
AA1393
----
----
10:42
10:42
10:42
10:44
10:42
AA3264
AA1929
11:40
11:40
----
----
----
----
----
AA3215
AA5215
----
----
----
----
----
12:10
----
AA3215
AA2438
----
----
12:11
12:11
12:11
----
12:11
AA1120
AA1929
13:25
13:25
----
----
----
----
----
AA2451
AA1386
----
----
13:43
13:43
13:43
13:43
13:43
AA2429
AA1392
----
----
14:57
14:57
14:57
14:57
14:57
AA2257
AA1392
14:58
14:58
----
----
----
----
----
AA2754
AA2209
15:49
15:49
----
----
----
----
----
AA2531
AA1392
----
----
15:50
15:50
15:50
15:50
15:50
AA2988
AA2209
16:47
16:47
----
----
----
----
----
AA2499
AA2209
----
----
16:57
16:57
16:57
16:57
16:57
AA1559
AA2209
----
----
17:50
17:50
17:50
----
17:50
AA1559
AA1914
18:02
----
----
----
----
----
----
AA3794
AA3023
----
----
----
19:07
----
----
19:07
AA3544
AA1914
19:31
----
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR ORD - IAH

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-07-13
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