United Airlines flights from Chicago O'Hare (ORD) to Houston George Bush (IAH).

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FLIGHT SCHEDULE
Non-Direct Flights:
Sun 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A320 (320) 6:17 Effective 2026-02-15 through 2026-03-01
Mon-Fri 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:17 Effective 2026-02-20 through 2026-03-04
Mon-Fri 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Boeing 737-700 (73G) 6:11 Effective 2026-03-05 through 2026-03-17
Wed 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:11 Operates only on 2026-03-18
Mon-Fri 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Boeing 737-700 (73G) 6:11 Effective 2026-03-19 through 2026-03-27
Daily 07:10 Chicago O'Hare (ORD) 1 13:17 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:07 Effective 2026-03-29 through 2026-04-29
Daily 07:25 Chicago O'Hare (ORD) 1 13:30 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:05 Effective 2026-04-30 through 2026-05-20
Daily 07:25 Chicago O'Hare (ORD) 1 13:30 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:05 Effective 2026-05-21 through 2026-08-17
Daily 07:25 Chicago O'Hare (ORD) 1 13:30 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:05 Effective from 2026-08-18
Sun 06:00 Chicago O'Hare (ORD) 1 15:45 Houston George Bush (IAH) C United Airlines UA 785 1-stop Boeing 737-800 (738) 9:45 Operates only on 2026-01-04
Mon 06:00 Chicago O'Hare (ORD) 1 15:48 Houston George Bush (IAH) C United Airlines UA 785 1-stop Boeing 737-800 (738) 9:48 Operates only on 2026-01-05
Mon-Fri 15:40 Chicago O'Hare (ORD) 1 20:48 Houston George Bush (IAH) C United Airlines UA 793 1-stop Airbus A319 (319) 5:08 Effective 2026-03-05 through 2026-03-27
Sat 15:40 Chicago O'Hare (ORD) 1 20:48 Houston George Bush (IAH) C United Airlines UA 793 1-stop Boeing 737-800 (738) 5:08 Operates only on 2026-03-07
Sat 15:40 Chicago O'Hare (ORD) 1 20:48 Houston George Bush (IAH) C United Airlines UA 793 1-stop Boeing 737-800 (738) 5:08 Operates only on 2026-03-28
Mon,Wed,Fri,Sun 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A319 (319) 7:40 Effective 2026-01-04 through 2026-01-14
Tue,Thu 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A320 (320) 7:40 Effective 2026-01-06 through 2026-01-13
Mon-Thu 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A319 (319) 7:40 Effective 2026-01-15 through 2026-01-22
Fri,Sun 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A320 (320) 7:40 Effective 2026-01-16 through 2026-01-23
Tue-Fri,Sun 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A319 (319) 7:40 Effective 2026-01-25 through 2026-01-30
Mon 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A320 (320) 7:40 Operates only on 2026-01-26
Mon,Tue,Thu,Fri,Sun 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A319 (319) 7:40 Effective 2026-02-02 through 2026-02-10
Wed 06:00 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 1077 1-stop Airbus A319 (319) 7:40 Operates only on 2026-02-11
Tue 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:25 Operates only on 2026-01-06
Mon-Fri,Sun 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Boeing 737 MAX 8 (7M8) 9:25 Effective 2026-01-07 through 2026-02-06
Sun 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:25 Operates only on 2026-02-08
Mon-Wed 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Boeing 737 MAX 8 (7M8) 9:25 Effective 2026-02-09 through 2026-02-11
Mon,Thu,Fri,Sun 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:25 Effective 2026-02-12 through 2026-03-06
Tue,Wed 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A320 (320) 9:25 Effective 2026-02-17 through 2026-03-04
Mon-Fri 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:25 Effective 2026-03-09 through 2026-03-17
Wed 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Boeing 737-800 (738) 9:25 Operates only on 2026-03-18
Mon-Fri 08:00 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:25 Effective 2026-03-19 through 2026-03-27
Daily 08:00 Chicago O'Hare (ORD) 1 17:16 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:16 Effective 2026-03-29 through 2026-04-29
Daily 08:00 Chicago O'Hare (ORD) 1 17:24 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A319 (319) 9:24 Effective 2026-04-30 through 2026-05-20
Daily 10:00 Chicago O'Hare (ORD) 1 17:24 Houston George Bush (IAH) C United Airlines UA 1381 1-stop Airbus A320 (320) 7:24 Effective from 2026-05-21
Daily 07:10 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 1571 1-stop Airbus A321neo (32Q) 8:30 Effective 2026-01-06 through 2026-02-03
Daily 07:10 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 1571 1-stop Airbus A321neo (32Q) 8:30 Effective 2026-02-05 through 2026-02-11
Daily 13:05 Chicago O'Hare (ORD) 1 23:16 Houston George Bush (IAH) C United Airlines UA 1660 1-stop Airbus A320 (320) 10:11 Effective 2026-05-21 through 2026-08-10
Daily 10:50 Chicago O'Hare (ORD) 1 18:40 Houston George Bush (IAH) C United Airlines UA 1834 1-stop Airbus A321neo (32Q) 7:50 Effective 2026-03-29 through 2026-04-29
Daily 10:50 Chicago O'Hare (ORD) 1 18:45 Houston George Bush (IAH) C United Airlines UA 1834 1-stop Airbus A321neo (32Q) 7:55 Effective 2026-04-30 through 2026-05-20
Daily 10:51 Chicago O'Hare (ORD) 1 18:47 Houston George Bush (IAH) C United Airlines UA 1834 1-stop Airbus A321neo (32Q) 7:56 Effective 2026-03-05 through 2026-03-28
Daily 11:15 Chicago O'Hare (ORD) 1 18:45 Houston George Bush (IAH) C United Airlines UA 1834 1-stop Boeing 737-800 (738) 7:30 Effective from 2026-05-21
Daily 07:15 Chicago O'Hare (ORD) 1 13:23 Houston George Bush (IAH) C United Airlines UA 1852 1-stop Boeing 737-700 (73G) 6:08 Effective from 2026-05-21
Daily 07:15 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 2038 1-stop Boeing 737 MAX 8 (7M8) 8:25 Effective 2026-03-29 through 2026-04-29
Daily 07:15 Chicago O'Hare (ORD) 1 15:24 Houston George Bush (IAH) C United Airlines UA 2038 1-stop Boeing 737 MAX 8 (7M8) 8:09 Effective 2026-04-30 through 2026-05-20
Daily 07:20 Chicago O'Hare (ORD) 1 15:24 Houston George Bush (IAH) C United Airlines UA 2038 1-stop Boeing 737 MAX 9 (7M9) 8:04 Effective from 2026-05-21
Thu-Sat 11:20 Chicago O'Hare (ORD) 1 20:37 Houston George Bush (IAH) C United Airlines UA 2164 1-stop Airbus A321neo (32Q) 9:17 Effective 2026-03-05 through 2026-03-07
Mon,Wed-Sun 11:20 Chicago O'Hare (ORD) 1 21:36 Houston George Bush (IAH) C United Airlines UA 2164 1-stop Airbus A321neo (32Q) 10:16 Effective 2026-03-08 through 2026-03-28
Thu 17:45 Chicago O'Hare (ORD) 1 00:30 Houston George Bush (IAH) C United Airlines UA 2213 1-stop Boeing 737-900 (739) 6:45 Operates only on 2026-03-05 The flight arrives 1 day after departure.
Fri 17:45 Chicago O'Hare (ORD) 1 00:30 Houston George Bush (IAH) C United Airlines UA 2213 1-stop Boeing 737-800 (738) 6:45 Operates only on 2026-03-06 The flight arrives 1 day after departure.
Tue,Sat,Sun 17:45 Chicago O'Hare (ORD) 1 00:30 Houston George Bush (IAH) C United Airlines UA 2213 1-stop Airbus A321neo (32Q) 6:45 Effective 2026-03-07 through 2026-03-28 The flight arrives 1 day after departure.

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A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Houston George Bush airport (IAH).
The flight distance is 925 miles, or 1489 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:40 and 3:13.

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United Airlines flights from Chicago O'Hare (ORD) to Houston George Bush (IAH).

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FLIGHT SCHEDULE

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:17, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-20 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:17, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:11, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:11, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Effective 2026-03-19 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:11, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:17

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:07, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:25

Chicago O'Hare (ORD) 1

13:30

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:05, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:25

Chicago O'Hare (ORD) 1

13:30

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:05, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:25

Chicago O'Hare (ORD) 1

13:30

Houston George Bush (IAH) C

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:05, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA785

06:00

Chicago O'Hare (ORD) 1

15:45

Houston George Bush (IAH) C

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:45, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA785

06:00

Chicago O'Hare (ORD) 1

15:48

Houston George Bush (IAH) C

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:48, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA793

15:40

Chicago O'Hare (ORD) 1

20:48

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 5:08, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA793

15:40

Chicago O'Hare (ORD) 1

20:48

Houston George Bush (IAH) C

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:08, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA793

15:40

Chicago O'Hare (ORD) 1

20:48

Houston George Bush (IAH) C

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:08, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-04 through 2026-01-14

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 7:40, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-06 through 2026-01-13

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 7:40, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-15 through 2026-01-22

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 7:40, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-16 through 2026-01-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 7:40, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-25 through 2026-01-30

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:40, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Operates only on 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:40, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-02-02 through 2026-02-10

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 7:40, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1077

06:00

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:40, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:25, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-07 through 2026-02-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 9:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:25, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-02-09 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 9:25, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-02-17 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:25, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-03-09 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 9:25, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:25, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-03-19 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 9:25, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:16

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:16, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

08:00

Chicago O'Hare (ORD) 1

17:24

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:24, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1381

10:00

Chicago O'Hare (ORD) 1

17:24

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:24, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1571

07:10

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

Effective 2026-01-06 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:30, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1571

07:10

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

Effective 2026-02-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:30, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1660

13:05

Chicago O'Hare (ORD) 1

23:16

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-08-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 10:11, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1834

10:50

Chicago O'Hare (ORD) 1

18:40

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:50, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1834

10:50

Chicago O'Hare (ORD) 1

18:45

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:55, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1834

10:51

Chicago O'Hare (ORD) 1

18:47

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:56, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1834

11:15

Chicago O'Hare (ORD) 1

18:45

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:30, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1852

07:15

Chicago O'Hare (ORD) 1

13:23

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:08, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA2038

07:15

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA2038

07:15

Chicago O'Hare (ORD) 1

15:24

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:09, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA2038

07:20

Chicago O'Hare (ORD) 1

15:24

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:04, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA2164

11:20

Chicago O'Hare (ORD) 1

20:37

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 9:17, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA2164

11:20

Chicago O'Hare (ORD) 1

21:36

Houston George Bush (IAH) C

Effective 2026-03-08 through 2026-03-28

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 10:16, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA2213

17:45

Chicago O'Hare (ORD) 1

00:30(+1)

Houston George Bush (IAH) C

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 6:45, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA2213

17:45

Chicago O'Hare (ORD) 1

00:30(+1)

Houston George Bush (IAH) C

Operates only on 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 6:45, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA2213

17:45

Chicago O'Hare (ORD) 1

00:30(+1)

Houston George Bush (IAH) C

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 6:45, 1-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

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A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Houston George Bush airport (IAH).
The flight distance is 925 miles, or 1489 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:40 and 3:13.

All ORD-IAH flights

All United Airlines flights

Return (IAH-ORD) flights

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