How long is the UA4577 flight?

The timetable allows 1 h 13 min. Philadelphia to Washington is 217 km (135 mi).

What other flight numbers does UA4577 have?

Also listed as UAL4577 (United Airlines' ICAO code) and UA 4577.

UA4577 Flight Status United Airlines: Philadelphia to Washington (UAL4577)

UA 4577 Philadelphia to Washington Flight Status

Not scheduled today. Latest flight: October 31st, 2026 ; recent history is in the table below.

UA 4577 Flight Status & Schedule United Airlines Philadelphia to Washington

Date	From	To	Departure	Arrival	Status	Details
Oct 31	PHL	IAD	19:40	20:53	Scheduled	Track >

United Airlines' Philadelphia–Washington flight covers 217 km (135 mi). The timetable allows 1 h 13 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 31 October 2026.

< All Philadelphia PHL Departures All Washington IAD Arrivals >

About UA 4577

Route: Philadelphia International Airport PHL to Washington Dulles International Airport IAD
Distance: 217 km (135 mi)
Scheduled flight time: 1 h 13 min

UA 4577 FAQ

How long is the UA4577 flight?: The timetable allows 1 h 13 min. Philadelphia to Washington is 217 km (135 mi).
What other flight numbers does UA4577 have?: Also listed as UAL4577 (United Airlines' ICAO code) and UA 4577.

UA4577 and Philadelphia PHL to Washington IAD Flights

Flight UA4577 is code-shared by 3 airlines using the flight numbers AC3634, AV2241, CM2267

Other flights departing from Philadelphia PHL: AA718, AA1010, OH5387, G74577

Other flights arriving at Washington IAD: BA293, UA755, G74577

All flights connecting Philadelphia PHL to Washington IAD.