United Airlines flight UA 4506: Saint Louis - Washington Dulles via Cincinnati

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 Saint Louis (STL) 1 11:24 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:09 Valid until 2026-01-05
Daily 08:25 Saint Louis (STL) 1 11:31 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective from 2026-05-21
Daily 08:30 Saint Louis (STL) 1 11:40 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:10 Effective 2026-01-06 through 2026-02-03
Daily 08:30 Saint Louis (STL) 1 11:40 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:10 Effective 2026-02-05 through 2026-03-04
Daily 08:30 Saint Louis (STL) 1 11:42 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:12 Effective 2026-03-05 through 2026-03-28
Daily 08:30 Saint Louis (STL) 1 11:38 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:08 Effective 2026-03-29 through 2026-05-20
Wed 08:45 Saint Louis (STL) 1 11:55 Washington Dulles (IAD)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:10 Operates only on 2026-02-04
Daily 12:35 Washington Dulles (IAD) 14:19 Cincinnati (CVG)
UA 4506 Non-stop Canadair CRJ 550 (CR5) 1:44 Effective 2026-03-05 through 2026-03-28
Non-Direct Flights:
Daily 08:30 Saint Louis (STL) 1 14:19 Cincinnati (CVG)
UA 4506 1-stop Canadair CRJ 550 (CR5) 4:49 Effective 2026-03-05 through 2026-03-28
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United Airlines flight UA 4506:
Saint Louis - Washington Dulles via Cincinnati
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4506
08:15
Saint Louis (STL) 1

11:24
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:31
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:30
Saint Louis (STL) 1

11:40
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:30
Saint Louis (STL) 1

11:40
Washington Dulles (IAD)
Effective 2026-02-05 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:30
Saint Louis (STL) 1

11:42
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:30
Saint Louis (STL) 1

11:38
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
08:45
Saint Louis (STL) 1

11:55
Washington Dulles (IAD)
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4506
12:35
Washington Dulles (IAD)

14:19
Cincinnati (CVG)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Canadair CRJ 550 (CR5)
Non-Direct Flights:
United Airlines UA4506
08:30
Saint Louis (STL) 1

14:19
Cincinnati (CVG)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:49, 1-stop
Canadair CRJ 550 (CR5)
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  • UA 4506 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Washington Dulles airport (IAD).
  • The flight runs via Cincinnati (CVG).
  • The flight distance is 694 miles, or 1117 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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.
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