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 52 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 2 hours and 52 minutes
  • Chicago and Houston are both United Airlines hubs.
  • 81 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 737MAX 9 Passenger
  • Business and first class available
ORD
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2310
05:30
05:30
05:30
05:30
05:30
05:30
05:30
UA1799
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA1231
07:30
07:30
07:30
07:30
07:30
07:30
07:30
UA535
08:51
08:51
08:51
08:51
08:51
08:51
08:51
UA723
10:30
10:30
10:30
10:30
10:30
10:30
10:30
UA2821
12:40
12:40
12:40
12:40
12:40
12:40
12:40
UA1862
14:05
14:05
14:05
14:05
14:05
14:05
14:05
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
18:59
18:29
UA2813
20:07
20:07
20:07
20:07
20:07
20:09
20:07
UA2665
21:36
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21:36
21:36
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21:36
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 54 minutes
  • One World Alliance
  • Chicago is a American Airlines hub.
  • 40 flights per week
  • Airbus A319
    Boeing 737-800 Passenger
    Embraer 175
  • First class available
ORD
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1909
07:30
07:30
07:30
07:30
07:30
07:30
07:30
AA1915
09:50
09:50
09:50
09:50
09:50
10:00
09:50
AA4426
13:23
13:23
13:23
13:23
13:23
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13:23
AA1913
14:55
14:55
14:55
14:55
14:55
14:55
15:00
AA3144
21:11
21:11
21:11
21:11
21:11
21:11
21:11
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 12 minutes
  • Low-cost airline
  • 14 flights per week
  • Airbus A321neo
ORD
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
F93135
17:29
17:29
17:29
17:29
17:29
17:29
17:29
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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2175
UA1218
----
07:10
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----
----
07:00
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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
UA1218
----
08:40
----
----
----
----
----
UA2414
UA3999
----
----
----
----
----
10:35
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UA2414
UA2339
10:35
10:35
10:35
10:35
10:35
----
10:35
UA5727
UA2339
12:31
12:31
12:31
12:31
12:31
----
12:31
UA2142
UA2490
14:12
----
----
14:12
14:12
----
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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA760
AA1916
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AA2896
AA3591
06:00
06:00
06:00
06:00
06:00
06:00
06:00
AA1902
AA2512
07:02
----
07:02
07:02
07:02
07:02
07:02
AA1902
AA3533
----
07:02
----
----
----
----
----
AA1555
AA2512
08:19
----
08:19
08:19
08:19
08:19
08:19
AA1555
AA3533
----
08:19
----
----
----
----
----
AA3052
AA3583
09:40
09:40
09:40
09:40
09:40
09:40
09:40
AA1106
AA3583
10:38
10:38
10:38
10:38
10:38
10:38
10:38
AA3264
AA1929
11:40
11:40
----
11:40
11:40
----
11:40
AA3264
AA3555
----
----
11:40
----
----
----
----
AA1120
AA4923
----
----
----
13:25
----
----
AA1120
AA1929
13:25
13:25
----
13:25
13:25
----
13:25
AA1120
AA3555
----
----
13:25
----
----
----
----
AA2257
AA1392
14:59
14:59
14:59
14:59
14:59
14:59
14:59
AA2754
AA2209
15:50
15:50
15:50
15:50
15:50
15:50
15:50
AA2988
AA2209
16:44
16:44
16:44
16:44
16:44
16:44
16:44
AA1559
AA1914
18:02
----
----
18:02
18:02
18:32
18:02
AA3544
AA1914
19:19
----
----
19:19
19:19
----
19:19
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 2026-06-02
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