All airlines flying from Houston George Bush (IAH) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Sun 20:00 Houston George Bush (IAH) A 23:00 Chicago O'Hare (ORD) 3 American Airlines AA 4514 Non-stop Embraer EMB 175 (E75) 3:00 Operates only on 2026-01-04
Daily 16:52 Houston George Bush (IAH) A 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 4591 Non-stop Embraer EMB 175 (E75) 2:58 Effective from 2026-10-05
Daily 16:56 Houston George Bush (IAH) A 19:46 Chicago O'Hare (ORD) 3 American Airlines AA 4591 Non-stop Embraer EMB 175 (E75) 2:50 Effective 2026-08-05 through 2026-09-08
Mon,Thu,Fri,Sun 11:45 Houston George Bush (IAH) A 14:39 Chicago O'Hare (ORD) 3 American Airlines AA 4609 Non-stop Embraer EMB 175 (E75) 2:54 Valid until 2026-01-05
Daily 16:42 Houston George Bush (IAH) A 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 4740 Non-stop Embraer EMB 175 (E75) 3:08 Valid until 2026-01-05
Non-Direct Flights:
Mon,Fri,Sun 07:40 Houston George Bush (IAH) C 14:40 Chicago O'Hare (ORD) 1 United Airlines UA 491 1-stop Airbus A319 (319) 7:00 Effective 2026-01-09 through 2026-01-16
Mon,Fri,Sun 07:40 Houston George Bush (IAH) C 14:40 Chicago O'Hare (ORD) 1 United Airlines UA 491 1-stop Airbus A319 (319) 7:00 Effective 2026-01-19 through 2026-02-09
Daily 11:55 Houston George Bush (IAH) C 18:04 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Airbus A320 (320) 6:09 Effective 2026-03-29 through 2026-04-29
Mon-Fri,Sun 12:00 Houston George Bush (IAH) C 18:25 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Boeing 737-700 (73G) 6:25 Effective 2026-03-05 through 2026-03-27
Sat 12:00 Houston George Bush (IAH) C 18:17 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Boeing 737-700 (73G) 6:17 Operates only on 2026-03-07
Sat 12:00 Houston George Bush (IAH) C 18:21 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Boeing 737-700 (73G) 6:21 Effective 2026-03-14 through 2026-03-28
Daily 12:00 Houston George Bush (IAH) C 18:20 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Airbus A320 (320) 6:20 Effective 2026-04-30 through 2026-05-20
Daily 12:00 Houston George Bush (IAH) C 18:04 Chicago O'Hare (ORD) 1 United Airlines UA 654 1-stop Boeing 737-700 (73G) 6:04 Effective from 2026-05-21
Mon-Fri,Sun 14:40 Houston George Bush (IAH) C 22:05 Chicago O'Hare (ORD) 1 United Airlines UA 686 1-stop Boeing 737-800 (738) 7:25 Effective from 2026-03-29
Daily 14:23 Houston George Bush (IAH) C 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 697 1-stop Boeing 737-800 (738) 6:02 Effective 2026-04-30 through 2026-05-20
Daily 14:30 Houston George Bush (IAH) C 19:50 Chicago O'Hare (ORD) 1 United Airlines UA 697 1-stop Airbus A319 (319) 5:20 Effective from 2026-05-21
Mon-Thu,Sun 19:58 Houston George Bush (IAH) C 06:04 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Airbus A320 (320) 10:06 Effective 2026-03-05 through 2026-03-26 The flight arrives 1 day after departure.
Daily 20:00 Houston George Bush (IAH) C 05:46 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737 MAX 9 (7M9) 9:46 Effective 2026-03-29 through 2026-04-29 The flight arrives 1 day after departure.
Daily 20:07 Houston George Bush (IAH) C 05:59 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737 MAX 9 (7M9) 9:52 Effective 2026-04-30 through 2026-05-20 The flight arrives 1 day after departure.
Fri 20:15 Houston George Bush (IAH) C 06:04 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737-900 (739) 9:49 Effective 2026-03-06 through 2026-03-13 The flight arrives 1 day after departure.
Sat 20:15 Houston George Bush (IAH) C 06:35 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737-900 (739) 9:20 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Fri,Sat 20:15 Houston George Bush (IAH) C 06:04 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737-900 (739) 9:49 Effective 2026-03-14 through 2026-03-28 The flight arrives 1 day after departure.
Daily 20:15 Houston George Bush (IAH) C 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 1148 1-stop Boeing 737-800 (738) 9:38 Effective 2026-05-21 through 2026-10-24 The flight arrives 1 day after departure.
Mon,Wed,Sat 09:33 Houston George Bush (IAH) C 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 1383 1-stop Boeing 737-700 (73G) 10:52 Effective 2026-01-07 through 2026-02-11
Tue,Thu,Fri,Sun 09:33 Houston George Bush (IAH) C 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 1383 1-stop Boeing 737 MAX 8 (7M8) 10:52 Effective 2026-01-08 through 2026-02-10
Mon,Tue,Thu-Sun 09:35 Houston George Bush (IAH) C 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 1383 1-stop Boeing 737-700 (73G) 10:50 Valid until 2026-01-05
Tue 09:37 Houston George Bush (IAH) C 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 1383 1-stop Boeing 737 MAX 8 (7M8) 10:48 Operates only on 2026-01-06
Mon 07:00 Houston George Bush (IAH) C 16:18 Chicago O'Hare (ORD) 1 United Airlines UA 1485 1-stop Boeing 737 MAX 9 (7M9) 9:18 Operates only on 2026-02-09
Mon-Fri,Sun 14:40 Houston George Bush (IAH) C 23:03 Chicago O'Hare (ORD) 1 United Airlines UA 1936 1-stop Boeing 737 MAX 8 (7M8) 8:23 Valid until 2026-01-05
Sat 14:41 Houston George Bush (IAH) C 23:03 Chicago O'Hare (ORD) 1 United Airlines UA 1936 1-stop Airbus A320 (320) 8:22 Operates only on 2026-01-03
Daily 14:20 Houston George Bush (IAH) C 23:24 Chicago O'Hare (ORD) 1 United Airlines UA 1971 1-stop Boeing 737-800 (738) 9:04 Effective 2026-03-29 through 2026-04-29
Daily 14:30 Houston George Bush (IAH) C 22:53 Chicago O'Hare (ORD) 1 United Airlines UA 1971 1-stop Boeing 737-800 (738) 8:23 Effective from 2026-05-21
Daily 14:45 Houston George Bush (IAH) C 22:46 Chicago O'Hare (ORD) 1 United Airlines UA 1971 1-stop Boeing 737-800 (738) 8:01 Effective 2026-04-30 through 2026-05-20
Daily 07:00 Houston George Bush (IAH) C 15:38 Chicago O'Hare (ORD) 1 United Airlines UA 2199 1-stop Boeing 737-800 (738) 8:38 Effective from 2026-03-29
Daily 07:20 Houston George Bush (IAH) C 14:50 Chicago O'Hare (ORD) 1 United Airlines UA 2494 1-stop Boeing 737-800 (738) 7:30 Effective 2026-04-30 through 2026-05-20
Mon,Thu,Fri,Sun 12:18 Houston George Bush (IAH) C 20:32 Chicago O'Hare (ORD) 1 United Airlines UA 2662 1-stop Boeing 737-900 (739) 8:14 Effective 2026-02-12 through 2026-03-02
Sat 12:18 Houston George Bush (IAH) C 20:30 Chicago O'Hare (ORD) 1 United Airlines UA 2662 1-stop Boeing 737-900 (739) 8:12 Effective 2026-02-14 through 2026-02-28
Daily 08:05 Houston George Bush (IAH) C 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2497 2-stop Airbus A319 (319) 10:33 Effective 2026-03-29 through 2026-04-29
Mon 08:15 Houston George Bush (IAH) C 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 2497 2-stop Boeing 737-800 (738) 10:36 Effective 2026-03-09 through 2026-03-23
Daily 08:30 Houston George Bush (IAH) C 18:33 Chicago O'Hare (ORD) 1 United Airlines UA 2497 2-stop Airbus A319 (319) 10:03 Effective 2026-05-21 through 2026-10-24
Direct Codeshare Flights:
Daily 14:15 Houston George Bush (IAH) C 17:03 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Airbus A321neo (32Q) 2:48 Effective from 2026-06-22 Codeshare flight, operated by United Airlines.(UA 787)
Mon-Wed,Fri,Sun 14:20 Houston George Bush (IAH) C 17:05 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:45 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 2677)
Thu,Sat 14:20 Houston George Bush (IAH) C 17:05 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Airbus A321neo (32Q) 2:45 Valid until 2026-01-03 Codeshare flight, operated by United Airlines.(UA 2677)
Mon-Fri 14:20 Houston George Bush (IAH) C 17:06 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:46 Effective 2026-01-06 through 2026-01-16 Codeshare flight, operated by United Airlines.(UA 1608)
Tue-Thu,Sun 14:20 Houston George Bush (IAH) C 17:06 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:46 Effective 2026-01-20 through 2026-01-29 Codeshare flight, operated by United Airlines.(UA 1608)
Mon-Fri 14:20 Houston George Bush (IAH) C 17:06 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:46 Effective 2026-01-30 through 2026-02-06 Codeshare flight, operated by United Airlines.(UA 1608)
Mon-Wed,Sat,Sun 14:20 Houston George Bush (IAH) C 17:06 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:46 Effective 2026-02-07 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 1608)
Daily 14:20 Houston George Bush (IAH) C 17:05 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:45 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 477)
Daily 14:20 Houston George Bush (IAH) C 17:05 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 1327)
Daily 14:20 Houston George Bush (IAH) C 17:09 Chicago O'Hare (ORD) 1 Avianca AV 2127 Non-stop Boeing 737-900 (739) 2:49 Effective 2026-03-29 through 2026-04-19 Codeshare flight, operated by United Airlines.(UA 787)

1 2 3 4 5 6 7 8 ... 17 18 19

A domestic route departing from the Houston George Bush airport (IAH) and arriving at Chicago O'Hare airport (ORD).
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 2:30 and 3:18.

Return (ORD-IAH) flights

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All airlines flying from Houston George Bush (IAH) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Flights:

American Airlines AA4514

20:00

Houston George Bush (IAH) A

23:00

Chicago O'Hare (ORD) 3

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4591

16:52

Houston George Bush (IAH) A

19:50

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:58, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4591

16:56

Houston George Bush (IAH) A

19:46

Chicago O'Hare (ORD) 3

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:50, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4609

11:45

Houston George Bush (IAH) A

14:39

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:54, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4740

16:42

Houston George Bush (IAH) A

19:50

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:08, non-stop
Embraer EMB 175 (E75)

Non-Direct Flights:

United Airlines UA491

07:40

Houston George Bush (IAH) C

14:40

Chicago O'Hare (ORD) 1

Effective 2026-01-09 through 2026-01-16

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 7:00, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA491

07:40

Houston George Bush (IAH) C

14:40

Chicago O'Hare (ORD) 1

Effective 2026-01-19 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 7:00, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA654

11:55

Houston George Bush (IAH) C

18:04

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:09, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA654

12:00

Houston George Bush (IAH) C

18:25

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:25, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA654

12:00

Houston George Bush (IAH) C

18:17

Chicago O'Hare (ORD) 1

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:17, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA654

12:00

Houston George Bush (IAH) C

18:21

Chicago O'Hare (ORD) 1

Effective 2026-03-14 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:21, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA654

12:00

Houston George Bush (IAH) C

18:20

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:20, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA654

12:00

Houston George Bush (IAH) C

18:04

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:04, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA686

14:40

Houston George Bush (IAH) C

22:05

Chicago O'Hare (ORD) 1

Effective from 2026-03-29

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:25, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA697

14:23

Houston George Bush (IAH) C

20:25

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:02, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA697

14:30

Houston George Bush (IAH) C

19:50

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:20, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1148

19:58

Houston George Bush (IAH) C

06:04(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-26

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 10:06, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:00

Houston George Bush (IAH) C

05:46(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:46, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:07

Houston George Bush (IAH) C

05:59(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:52, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:15

Houston George Bush (IAH) C

06:04(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-06 through 2026-03-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:49, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:15

Houston George Bush (IAH) C

06:35(+1)

Chicago O'Hare (ORD) 1

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 9:20, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:15

Houston George Bush (IAH) C

06:04(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-14 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 9:49, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1148

20:15

Houston George Bush (IAH) C

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:38, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1383

09:33

Houston George Bush (IAH) C

20:25

Chicago O'Hare (ORD) 1

Effective 2026-01-07 through 2026-02-11

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 10:52, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA1383

09:33

Houston George Bush (IAH) C

20:25

Chicago O'Hare (ORD) 1

Effective 2026-01-08 through 2026-02-10

Mon
-

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 10:52, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1383

09:35

Houston George Bush (IAH) C

20:25

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 10:50, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA1383

09:37

Houston George Bush (IAH) C

20:25

Chicago O'Hare (ORD) 1

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 10:48, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1485

07:00

Houston George Bush (IAH) C

16:18

Chicago O'Hare (ORD) 1

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:18, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1936

14:40

Houston George Bush (IAH) C

23:03

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:23, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1936

14:41

Houston George Bush (IAH) C

23:03

Chicago O'Hare (ORD) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:22, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1971

14:20

Houston George Bush (IAH) C

23:24

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:04, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1971

14:30

Houston George Bush (IAH) C

22:53

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:23, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1971

14:45

Houston George Bush (IAH) C

22:46

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:01, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA2199

07:00

Houston George Bush (IAH) C

15:38

Chicago O'Hare (ORD) 1

Effective from 2026-03-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:38, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA2494

07:20

Houston George Bush (IAH) C

14:50

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Non-Direct Flights:

United Airlines UA2662

12:18

Houston George Bush (IAH) C

20:32

Chicago O'Hare (ORD) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 8:14, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA2662

12:18

Houston George Bush (IAH) C

20:30

Chicago O'Hare (ORD) 1

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:12, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA2497

08:05

Houston George Bush (IAH) C

18:38

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 10:33, 2-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA2497

08:15

Houston George Bush (IAH) C

18:51

Chicago O'Hare (ORD) 1

Effective 2026-03-09 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 10:36, 2-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA2497

08:30

Houston George Bush (IAH) C

18:33

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 10:03, 2-stop
Airbus A319 (319)

Direct Codeshare Flights:

Avianca AV2127

14:15

Houston George Bush (IAH) C

17:03

Chicago O'Hare (ORD) 1

Effective from 2026-06-22

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 787)

Duration: 2:48, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:05

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2677)

Duration: 2:45, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:05

Chicago O'Hare (ORD) 1

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2677)

Duration: 2:45, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:06

Chicago O'Hare (ORD) 1

Effective 2026-01-06 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1608)

Duration: 2:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:06

Chicago O'Hare (ORD) 1

Effective 2026-01-20 through 2026-01-29

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1608)

Duration: 2:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:06

Chicago O'Hare (ORD) 1

Effective 2026-01-30 through 2026-02-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1608)

Duration: 2:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:06

Chicago O'Hare (ORD) 1

Effective 2026-02-07 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1608)

Duration: 2:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:05

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 477)

Duration: 2:45, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:05

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1327)

Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Avianca AV2127

14:20

Houston George Bush (IAH) C

17:09

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-04-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 787)

Duration: 2:49, non-stop
Boeing 737-900 (739)

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A domestic route departing from the Houston George Bush airport (IAH) and arriving at Chicago O'Hare airport (ORD).
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 2:30 and 3:18.

Return (ORD-IAH) flights

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