United Airlines flight UA 4578: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 10:30 Philadelphia (PHL) D 11:44 Dulles, Washington (IAD)
UA 4578 Non-stop Canadair CRJ 550 (CR5) 1:14 Effective 2025-08-19 through 2025-10-25
Mon-Fri 10:40 Philadelphia (PHL) D 11:40 Dulles, Washington (IAD)
UA 4578 Non-stop Canadair CRJ 550 (CR5) 1:00 Effective 2025-06-26 through 2025-08-18
Daily 10:44 Philadelphia (PHL) D 11:50 Dulles, Washington (IAD)
UA 4578 Non-stop Canadair CRJ 550 (CR5) 1:06 Valid until 2025-05-21
Fri 18:30 Omaha (OMA) 20:15 Chicago O'Hare (ORD) 2
UA 4578 Non-stop Canadair CRJ 550 (CR5) 1:45 Operates only on 2025-06-06
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4578: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4578
10:30
Philadelphia (PHL) D

11:44
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:14, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4578
10:40
Philadelphia (PHL) D

11:40
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:00, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4578
10:44
Philadelphia (PHL) D

11:50
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4578
18:30
Omaha (OMA)

20:15
Chicago O'Hare (ORD) 2
Operates only on 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Omaha (OMA) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Dulles, Washington (IAD)
All United Airlines flights
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