ANA flight NH 7531: Oklahoma City - Houston George Bush

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
NH 7531 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
NH 7531 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
NH 7531 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 07:06 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
NH 7531 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 5520)
Thu-Sat 07:08 Oklahoma City (OKC) 08:50 Houston George Bush (IAH) B
NH 7531 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 5503)
Wed 07:08 Oklahoma City (OKC) 08:50 Houston George Bush (IAH) B
NH 7531 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-03-11 through 2026-03-25
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 07:17 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
NH 7531 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
NH 7531 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
NH 7531 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
NH 7531 Non-stop Airbus A320 (320) 1:37 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2090)
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Parallax here OKC-IAH


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ANA flight NH 7531:
Oklahoma City - Houston George Bush
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
ANA NH7531
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:
ANA NH7531
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:
ANA NH7531
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:
ANA NH7531
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:
ANA NH7531
07:08
Oklahoma City (OKC)

08:50
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-07
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:
ANA NH7531
07:08
Oklahoma City (OKC)

08:50
Houston George Bush (IAH) B
Effective 2026-03-11 through 2026-03-25
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:
ANA NH7531
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:
ANA NH7531
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:
ANA NH7531
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:
ANA NH7531
08:48
Oklahoma City (OKC)

10:25
Houston George Bush (IAH) C
Effective 2026-03-08 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)
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Parallax here OKC-IAH
  • NH 7531 is a domestic flight 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 1:28 and 1:48.
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