United Airlines flight UA 5503: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:05 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-29 through 2026-05-20
Daily 07:08 Oklahoma City (OKC) 08:50 Houston George Bush (IAH) B
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-03-05 through 2026-03-28
Daily 07:17 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-05-21
Mon-Sat 12:10 Houston George Bush (IAH) B 14:02 Birmingham (BHM)
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:52 Effective 2026-01-07 through 2026-02-03
Mon-Sat 12:10 Houston George Bush (IAH) B 14:02 Birmingham (BHM)
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:52 Effective 2026-02-05 through 2026-02-11
Sun 12:25 Houston George Bush (IAH) B 14:17 Birmingham (BHM)
UA 5503 Non-stop Embraer EMB 175 (E7W) 1:52 Effective 2026-01-11 through 2026-02-08
Daily 17:36 Denver (DEN) 22:51 Greensboro/High Point (GSO)
UA 5503 Non-stop Embraer EMB 175 (E7W) 3:15 Valid until 2026-01-05
Mon,Fri 18:45 Houston George Bush (IAH) B 22:43 Richmond (RIC)
UA 5503 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2026-02-13 through 2026-03-02
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5503
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
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
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
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
07:17
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
12:10
Houston George Bush (IAH) B

14:02
Birmingham (BHM)
Effective 2026-01-07 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
12:10
Houston George Bush (IAH) B

14:02
Birmingham (BHM)
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
12:25
Houston George Bush (IAH) B

14:17
Birmingham (BHM)
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
17:36
Denver (DEN)

22:51
Greensboro/High Point (GSO)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5503
18:45
Houston George Bush (IAH) B

22:43
Richmond (RIC)
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:58, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Greensboro/High Point (GSO)
  • Houston George Bush (IAH) - Birmingham (BHM)
  • Houston George Bush (IAH) - Richmond (RIC)
  • Oklahoma City (OKC) - Houston George Bush (IAH)
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