United Airlines flight UA 4527: Washington Dulles - Saint Louis

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FLIGHT SCHEDULE
Direct Flights:
Daily 17:10 Washington Dulles (IAD) 18:33 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:23 Effective from 2026-05-21
Daily 17:35 Washington Dulles (IAD) 19:13 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-03-05 through 2026-03-28
Daily 17:35 Washington Dulles (IAD) 19:07 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-29 through 2026-04-29
Daily 17:45 Washington Dulles (IAD) 19:17 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-04-30 through 2026-05-20
Daily 17:50 Washington Dulles (IAD) 19:22 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Valid until 2026-01-05
Daily 17:50 Washington Dulles (IAD) 19:27 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:37 Effective 2026-01-06 through 2026-02-11
Daily 18:45 Washington Dulles (IAD) 20:23 Saint Louis (STL) 1
UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-02-12 through 2026-03-04
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United Airlines flight UA 4527:
Washington Dulles - Saint Louis
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4527
17:10
Washington Dulles (IAD)

18:33
Saint Louis (STL) 1
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
17:35
Washington Dulles (IAD)

19:13
Saint Louis (STL) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
17:35
Washington Dulles (IAD)

19:07
Saint Louis (STL) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
17:45
Washington Dulles (IAD)

19:17
Saint Louis (STL) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
17:50
Washington Dulles (IAD)

19:22
Saint Louis (STL) 1
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
17:50
Washington Dulles (IAD)

19:27
Saint Louis (STL) 1
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4527
18:45
Washington Dulles (IAD)

20:23
Saint Louis (STL) 1
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Canadair CRJ 550 (CR5)
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  • UA 4527 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Saint Louis airport (STL).
  • The flight distance is 694 miles, or 1117 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:23 and 2:38.
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