United Airlines flight UA 4538: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:21 Dulles, Washington (IAD) 09:33 Philadelphia (PHL) D
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:12 Effective 2025-08-19 through 2025-10-25
Daily 08:35 Dulles, Washington (IAD) 09:45 Philadelphia (PHL) D
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:10 Valid until 2025-05-21
Mon-Fri 08:45 Dulles, Washington (IAD) 09:55 Philadelphia (PHL) D
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective 2025-06-26 through 2025-08-18
Tue,Wed,Fri,Sat 11:03 Pittsburgh (PIT) 11:51 Chicago O'Hare (ORD) 2
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:48 Effective 2025-05-24 through 2025-05-31
Mon-Sat 11:03 Pittsburgh (PIT) 11:51 Chicago O'Hare (ORD) 2
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:48 Effective 2025-06-02 through 2025-06-07
Sat 11:03 Pittsburgh (PIT) 11:51 Chicago O'Hare (ORD) 2
UA 4538 Non-stop Canadair CRJ 550 (CR5) 1:48 Effective 2025-06-14 through 2025-06-21
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This flight number is listed as serving the following routes:
United Airlines flight UA 4538: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA4538
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4538
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4538
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4538
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:48, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4538
Effective 2025-06-02 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:48, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4538
Effective 2025-06-14 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:48, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Philadelphia (PHL)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)