All airlines flying from Oklahoma City (OKC) to Houston George Bush (IAH).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu-Sun 19:00 Oklahoma City (OKC) 20:42 Houston George Bush (IAH) B
United Airlines UA 6114 Non-stop Embraer EMB 175 (E7W) 1:42 Valid until 2026-01-05
Tue 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
United Airlines UA 6169 Non-stop Embraer EMB 175 (E7W) 1:40 Operates only on 2026-01-06
Mon-Fri,Sun 11:51 Oklahoma City (OKC) 13:31 Houston George Bush (IAH) B
United Airlines UA 6184 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-02-12 through 2026-03-04
Mon-Fri,Sun 12:00 Oklahoma City (OKC) 13:38 Houston George Bush (IAH) B
United Airlines UA 6184 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-03-05 through 2026-03-27
Mon-Fri 12:06 Oklahoma City (OKC) 13:40 Houston George Bush (IAH) B
United Airlines UA 6184 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-01-06 through 2026-02-03
Mon-Fri 12:06 Oklahoma City (OKC) 13:40 Houston George Bush (IAH) B
United Airlines UA 6184 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-02-05 through 2026-02-11
Daily 05:00 Oklahoma City (OKC) 06:39 Houston George Bush (IAH) B
United Airlines UA 6216 Non-stop Embraer EMB 175 (E7W) 1:39 Valid until 2026-01-05
Mon-Wed,Fri-Sun 15:45 Oklahoma City (OKC) 17:19 Houston George Bush (IAH) B
United Airlines UA 6219 Non-stop Embraer EMB 175 (E7W) 1:34 Valid until 2026-01-05
Daily 15:38 Oklahoma City (OKC) 17:21 Houston George Bush (IAH) B
United Airlines UA 6223 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-29 through 2026-04-29
Daily 15:40 Oklahoma City (OKC) 17:18 Houston George Bush (IAH) B
United Airlines UA 6223 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-03-05 through 2026-03-28
Daily 15:40 Oklahoma City (OKC) 17:23 Houston George Bush (IAH) B
United Airlines UA 6223 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-04-30 through 2026-05-20
Daily 09:32 Oklahoma City (OKC) 11:15 Houston George Bush (IAH) B
United Airlines UA 6225 Non-stop Embraer EMB 175 (E7W) 1:43 Valid until 2026-01-05
Tue 15:30 Oklahoma City (OKC) 17:08 Houston George Bush (IAH) B
United Airlines UA 6234 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-01-06 through 2026-02-10
Mon-Fri,Sun 15:42 Oklahoma City (OKC) 17:20 Houston George Bush (IAH) B
United Airlines UA 6234 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-02-12 through 2026-03-04
Daily 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
United Airlines UA 6247 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-04-30 through 2026-05-20
Direct Codeshare Flights:
Daily 05:00 Oklahoma City (OKC) 06:39 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:39 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 6216)
Mon-Fri,Sun 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 5453)
Mon-Fri,Sun 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-01-19 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 5453)
Mon-Fri,Sun 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-02-05 through 2026-02-13
Codeshare flight, operated by United Airlines.(UA 5453)
Daily 05:00 Oklahoma City (OKC) 06:40 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-02-14 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 5453)
Daily 05:10 Oklahoma City (OKC) 06:38 Houston George Bush (IAH) B
Copa Airlines CM 1638 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5453)
Daily 07:00 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:48 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-01-06 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:05 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-29 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 07:06 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:08 Oklahoma City (OKC) 08:50 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 07:17 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Copa Airlines CM 1639 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 08:40 Oklahoma City (OKC) 10:19 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A320 (320) 1:39 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2090)
Daily 08:43 Oklahoma City (OKC) 10:22 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A320 (320) 1:39 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2090)
Mon,Tue,Thu-Sun 08:48 Oklahoma City (OKC) 10:25 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A320 (320) 1:37 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2090)
Wed 09:15 Oklahoma City (OKC) 10:52 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A320 (320) 1:37 Effective 2026-03-11 through 2026-03-25
Codeshare flight, operated by United Airlines.(UA 2090)
Sun 09:24 Oklahoma City (OKC) 11:09 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A319 (319) 1:45 Operates only on 2026-01-18
Codeshare flight, operated by United Airlines.(UA 1448)
Sat,Sun 09:25 Oklahoma City (OKC) 11:10 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A319 (319) 1:45 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 1448)
Sat,Sun 09:25 Oklahoma City (OKC) 11:10 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A319 (319) 1:45 Effective 2026-01-24 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 1448)
Mon-Fri 09:30 Oklahoma City (OKC) 11:15 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A319 (319) 1:45 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1448)
Daily 09:32 Oklahoma City (OKC) 11:15 Houston George Bush (IAH) B
Copa Airlines CM 1640 Non-stop Embraer EMB 175 (E7W) 1:43 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 6225)
Daily 09:35 Oklahoma City (OKC) 11:13 Houston George Bush (IAH) C
Copa Airlines CM 1640 Non-stop Airbus A319 (319) 1:38 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1755)
Daily 09:43 Oklahoma City (OKC) 11:08 Houston George Bush (IAH) B
Copa Airlines CM 1640 Non-stop Embraer EMB 175 (E7W) 1:25 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5501)
Mon-Fri,Sun 11:51 Oklahoma City (OKC) 13:31 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 6184)
Daily 11:53 Oklahoma City (OKC) 13:36 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 4073)
Daily 11:55 Oklahoma City (OKC) 13:38 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 4073)
Mon-Fri,Sun 12:00 Oklahoma City (OKC) 13:38 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-03-05 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 6184)
Sun 12:05 Oklahoma City (OKC) 13:40 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2026-01-11 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 4353)
Mon-Fri 12:06 Oklahoma City (OKC) 13:40 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4772)
Daily 12:07 Oklahoma City (OKC) 13:40 Houston George Bush (IAH) B
Copa Airlines CM 1641 Non-stop Embraer EMB 175 (E7W) 1:33 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5663)
Mon,Wed,Fri,Sun 07:00 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
Air Canada AC 4726 Non-stop Embraer EMB 175 (E7W) 1:48 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Air Canada AC 4726 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-01-07 through 2026-01-19
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Air Canada AC 4726 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-01-22 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
Air Canada AC 4726 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 5520)
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All airlines flying from Oklahoma City (OKC) to Houston George Bush (IAH).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA6114
19:00
Oklahoma City (OKC)

20:42
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6169
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6184
11:51
Oklahoma City (OKC)

13:31
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6184
12:00
Oklahoma City (OKC)

13:38
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6184
12:06
Oklahoma City (OKC)

13:40
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6184
12:06
Oklahoma City (OKC)

13:40
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6216
05:00
Oklahoma City (OKC)

06:39
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6219
15:45
Oklahoma City (OKC)

17:19
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6223
15:38
Oklahoma City (OKC)

17:21
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6223
15:40
Oklahoma City (OKC)

17:18
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6223
15:40
Oklahoma City (OKC)

17:23
Houston George Bush (IAH) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6225
09:32
Oklahoma City (OKC)

11:15
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6234
15:30
Oklahoma City (OKC)

17:08
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6234
15:42
Oklahoma City (OKC)

17:20
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA6247
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:39
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6216)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Effective 2026-01-19 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:40
Houston George Bush (IAH) B
Effective 2026-02-14 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1638
05:10
Oklahoma City (OKC)

06:38
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:00
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:48, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:05
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:06
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:08
Oklahoma City (OKC)

08:50
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1639
07:17
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1640
08:40
Oklahoma City (OKC)

10:19
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2090)
Duration: 1:39, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Copa Airlines CM1640
08:43
Oklahoma City (OKC)

10:22
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2090)
Duration: 1:39, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Copa Airlines CM1640
08:48
Oklahoma City (OKC)

10:25
Houston George Bush (IAH) C
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2090)
Duration: 1:37, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Copa Airlines CM1640
09:15
Oklahoma City (OKC)

10:52
Houston George Bush (IAH) C
Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2090)
Duration: 1:37, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Copa Airlines CM1640
09:24
Oklahoma City (OKC)

11:09
Houston George Bush (IAH) C
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1448)
Duration: 1:45, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Copa Airlines CM1640
09:25
Oklahoma City (OKC)

11:10
Houston George Bush (IAH) C
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1448)
Duration: 1:45, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Copa Airlines CM1640
09:25
Oklahoma City (OKC)

11:10
Houston George Bush (IAH) C
Effective 2026-01-24 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1448)
Duration: 1:45, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Copa Airlines CM1640
09:30
Oklahoma City (OKC)

11:15
Houston George Bush (IAH) C
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1448)
Duration: 1:45, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Copa Airlines CM1640
09:32
Oklahoma City (OKC)

11:15
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6225)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1640
09:35
Oklahoma City (OKC)

11:13
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1755)
Duration: 1:38, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Copa Airlines CM1640
09:43
Oklahoma City (OKC)

11:08
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5501)
Duration: 1:25, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
11:51
Oklahoma City (OKC)

13:31
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
11:53
Oklahoma City (OKC)

13:36
Houston George Bush (IAH) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4073)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
11:55
Oklahoma City (OKC)

13:38
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4073)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
12:00
Oklahoma City (OKC)

13:38
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
12:05
Oklahoma City (OKC)

13:40
Houston George Bush (IAH) B
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4353)
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1641
12:06
Oklahoma City (OKC)

13:40
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4772)
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1641
12:07
Oklahoma City (OKC)

13:40
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5663)
Duration: 1:33, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4726
07:00
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:48, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4726
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-01-07 through 2026-01-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4726
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-01-22 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4726
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
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  • A domestic route departing from the Oklahoma City airport (OKC) and arriving at Houston George Bush airport (IAH).
  • The flight distance is 396 miles, or 637 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 1:25 and 1:48.
Return (IAH-OKC) flights
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