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

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:10 Chicago O'Hare (ORD) 1 17:18 Houston George Bush (IAH) C United Airlines UA 2451 Non-stop Airbus A321neo (32Q) 3:08 Effective 2026-02-12 through 2026-03-04
Daily 17:15 Chicago O'Hare (ORD) 1 20:20 Houston George Bush (IAH) C United Airlines UA 2474 Non-stop Boeing 737-900 (739) 3:05 Effective 2026-03-29 through 2026-05-20
Daily 17:03 Chicago O'Hare (ORD) 1 20:10 Houston George Bush (IAH) C United Airlines UA 2618 Non-stop Boeing 737-900 (739) 3:07 Valid until 2026-01-05
Mon-Sat 10:35 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Valid until 2026-01-10
Sun 10:35 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737-900 (739) 3:05 Operates only on 2026-01-04
Daily 10:35 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-01-11 through 2026-02-11
Daily 10:35 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737-900 (739) 3:05 Effective 2026-02-12 through 2026-03-04
Daily 10:35 Chicago O'Hare (ORD) 1 13:40 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-03-05 through 2026-03-28
Daily 10:35 Chicago O'Hare (ORD) 1 13:38 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737 MAX 9 (7M9) 3:03 Effective 2026-03-29 through 2026-04-29
Daily 10:35 Chicago O'Hare (ORD) 1 13:39 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Airbus A321neo (32Q) 3:04 Effective 2026-04-30 through 2026-05-20
Daily 10:42 Chicago O'Hare (ORD) 1 13:25 Houston George Bush (IAH) C United Airlines UA 2638 Non-stop Boeing 737-900 (739) 2:43 Effective from 2026-05-21
Tue,Wed 12:45 Chicago O'Hare (ORD) 1 15:45 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-01-06 through 2026-01-28
Mon,Thu-Sun 12:45 Chicago O'Hare (ORD) 1 15:45 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Airbus A321neo (32Q) 3:00 Effective 2026-01-08 through 2026-02-09
Tue 12:45 Chicago O'Hare (ORD) 1 15:45 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Boeing 737 MAX 9 (7M9) 3:00 Effective 2026-02-03 through 2026-02-10
Wed 12:45 Chicago O'Hare (ORD) 1 15:45 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-02-04 through 2026-02-11
Daily 12:45 Chicago O'Hare (ORD) 1 15:48 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Airbus A321neo (32Q) 3:03 Effective 2026-02-12 through 2026-03-04
Daily 12:50 Chicago O'Hare (ORD) 1 15:50 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Airbus A321neo (32Q) 3:00 Valid until 2026-01-04
Mon 12:50 Chicago O'Hare (ORD) 1 15:50 Houston George Bush (IAH) C United Airlines UA 2657 Non-stop Boeing 737-900 (739) 3:00 Operates only on 2026-01-05
Mon,Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 1 00:12 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-01-08 through 2026-01-16 The flight arrives 1 day after departure.
Sat 21:05 Chicago O'Hare (ORD) 1 00:13 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Airbus A321neo (32Q) 3:08 Operates only on 2026-01-10 The flight arrives 1 day after departure.
Mon,Thu-Sun 21:05 Chicago O'Hare (ORD) 1 00:12 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-01-17 through 2026-02-09 The flight arrives 1 day after departure.
Daily 21:05 Chicago O'Hare (ORD) 1 23:49 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737-900 (739) 2:44 Effective from 2026-05-21
Mon-Fri,Sun 21:15 Chicago O'Hare (ORD) 1 00:09 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737-900 (739) 2:54 Effective 2026-02-12 through 2026-03-04 The flight arrives 1 day after departure.
Daily 21:15 Chicago O'Hare (ORD) 1 00:09 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Airbus A321neo (32Q) 2:54 Effective 2026-03-05 through 2026-03-28 The flight arrives 1 day after departure.
Daily 21:15 Chicago O'Hare (ORD) 1 00:17 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737 MAX 9 (7M9) 3:02 Effective 2026-03-29 through 2026-04-29 The flight arrives 1 day after departure.
Mon 21:22 Chicago O'Hare (ORD) 1 00:30 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Airbus A321neo (32Q) 3:08 Operates only on 2026-01-05 The flight arrives 1 day after departure.
Daily 21:23 Chicago O'Hare (ORD) 1 00:30 Houston George Bush (IAH) C United Airlines UA 2665 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Valid until 2026-01-04 The flight arrives 1 day after departure.
Non-Direct Flights:
Mon-Fri,Sun 08:45 Chicago O'Hare (ORD) 1 20:24 Houston George Bush (IAH) C United Airlines UA 202 1-stop Airbus A321neo (32Q) 11:39 Effective 2026-05-21 through 2026-10-23
Mon-Fri,Sun 09:15 Chicago O'Hare (ORD) 1 20:24 Houston George Bush (IAH) C United Airlines UA 202 1-stop Boeing 757-300 (753) 11:09 Effective from 2026-10-25
Mon,Wed-Sun 07:15 Chicago O'Hare (ORD) 1 15:08 Houston George Bush (IAH) C United Airlines UA 378 1-stop Boeing 737-900 (739) 7:53 Effective 2026-02-12 through 2026-03-04
Tue,Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:42 Effective 2026-01-06 through 2026-01-07
Mon,Tue,Thu-Sat 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-800 (738) 6:42 Effective 2026-01-08 through 2026-02-09
Sun 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-700 (73G) 6:42 Effective 2026-01-11 through 2026-02-08
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A320 (320) 6:42 Operates only on 2026-01-14
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:42 Effective 2026-01-21 through 2026-01-28
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-800 (738) 6:42 Operates only on 2026-02-11
Wed 10:48 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:37 Operates only on 2026-02-04
Tue 10:52 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:33 Operates only on 2026-02-10
Sat 08:50 Chicago O'Hare (ORD) 1 18:52 Houston George Bush (IAH) C United Airlines UA 448 1-stop Boeing 737 MAX 9 (7M9) 10:02 Effective 2026-06-13 through 2026-08-15
Daily 19:45 Chicago O'Hare (ORD) 1 05:45 Houston George Bush (IAH) C United Airlines UA 505 1-stop Boeing 737 MAX 9 (7M9) 10:00 Valid until 2026-01-05 The flight arrives 1 day after departure.
Daily 08:40 Chicago O'Hare (ORD) 1 15:37 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:57 Effective 2026-03-29 through 2026-04-29
Sat 08:46 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-700 (73G) 6:54 Effective 2026-03-07 through 2026-03-28
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective 2026-04-30 through 2026-05-20
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective 2026-05-21 through 2026-08-17
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective from 2026-08-18
Mon-Fri,Sun 09:09 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-800 (738) 6:31 Effective 2026-03-05 through 2026-03-27
Thu,Fri 09:12 Chicago O'Hare (ORD) 1 15:33 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-900 (739) 6:21 Effective 2026-02-12 through 2026-02-27
Tue,Wed 09:12 Chicago O'Hare (ORD) 1 15:33 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737 MAX 8 (7M8) 6:21 Effective 2026-02-17 through 2026-03-04
Mon-Thu 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 2026-02-12 through 2026-02-19
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 Operates only on 2026-02-13

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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

Direct Flights:

United Airlines UA2451

14:10

Chicago O'Hare (ORD) 1

17:18

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:08, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2474

17:15

Chicago O'Hare (ORD) 1

20:20

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2618

17:03

Chicago O'Hare (ORD) 1

20:10

Houston George Bush (IAH) C

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Valid until 2026-01-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-01-11 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:40

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:38

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2638

10:35

Chicago O'Hare (ORD) 1

13:39

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:04, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2638

10:42

Chicago O'Hare (ORD) 1

13:25

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:43, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2657

12:45

Chicago O'Hare (ORD) 1

15:45

Houston George Bush (IAH) C

Effective 2026-01-06 through 2026-01-28

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2657

12:45

Chicago O'Hare (ORD) 1

15:45

Houston George Bush (IAH) C

Effective 2026-01-08 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2657

12:45

Chicago O'Hare (ORD) 1

15:45

Houston George Bush (IAH) C

Effective 2026-02-03 through 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2657

12:45

Chicago O'Hare (ORD) 1

15:45

Houston George Bush (IAH) C

Effective 2026-02-04 through 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2657

12:45

Chicago O'Hare (ORD) 1

15:48

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:03, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2657

12:50

Chicago O'Hare (ORD) 1

15:50

Houston George Bush (IAH) C

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2657

12:50

Chicago O'Hare (ORD) 1

15:50

Houston George Bush (IAH) C

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2665

21:05

Chicago O'Hare (ORD) 1

00:12(+1)

Houston George Bush (IAH) C

Effective 2026-01-08 through 2026-01-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:07, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:05

Chicago O'Hare (ORD) 1

00:13(+1)

Houston George Bush (IAH) C

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:08, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:05

Chicago O'Hare (ORD) 1

00:12(+1)

Houston George Bush (IAH) C

Effective 2026-01-17 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:05

Chicago O'Hare (ORD) 1

23:49

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:44, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2665

21:15

Chicago O'Hare (ORD) 1

00:09(+1)

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:54, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:15

Chicago O'Hare (ORD) 1

00:09(+1)

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:15

Chicago O'Hare (ORD) 1

00:17(+1)

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:02, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:22

Chicago O'Hare (ORD) 1

00:30(+1)

Houston George Bush (IAH) C

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:08, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2665

21:23

Chicago O'Hare (ORD) 1

00:30(+1)

Houston George Bush (IAH) C

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA202

08:45

Chicago O'Hare (ORD) 1

20:24

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 11:39, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA202

09:15

Chicago O'Hare (ORD) 1

20:24

Houston George Bush (IAH) C

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 11:09, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA378

07:15

Chicago O'Hare (ORD) 1

15:08

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 7:53, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-08 through 2026-02-09

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 6:42, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:42, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-01-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-21 through 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA441

10:48

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:37, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:52

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:33, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA448

08:50

Chicago O'Hare (ORD) 1

18:52

Houston George Bush (IAH) C

Effective 2026-06-13 through 2026-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 10:02, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA505

19:45

Chicago O'Hare (ORD) 1

05:45(+1)

Houston George Bush (IAH) C

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 10:00, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA528

08:40

Chicago O'Hare (ORD) 1

15:37

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:57, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

08:46

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:54, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:09

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:31, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA528

09:12

Chicago O'Hare (ORD) 1

15:33

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 6:21, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA528

09:12

Chicago O'Hare (ORD) 1

15:33

Houston George Bush (IAH) C

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:21, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-02-19

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Operates only on 2026-02-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

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

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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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