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UA 4821 Philadelphia to Washington Flight Status

United Airlines Flight UA4821 from Philadelphia International Airport PHL to Washington Dulles International Airport IAD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 16th, 2025.
Check the table below for UA4821's most recent flight history:

UA 4821 Flight Status & Schedule

Date Departure Arrival Status
Aug 16 15:16 15:48
Landed
Track >
Aug 09 15:26 16:04
Landed
Track >
Aug 02 15:28 16:07
Landed
Track >

United Airlines UA 4821 Philadelphia to Washington Flight Information

United Airlines Flight UA4821 connects Philadelphia, United States to Washington, United States, taking off from Philadelphia International Airport PHL and landing at Washington Dulles International Airport IAD.

How long is the UA4821 flight from Philadelphia to Washington?

The average flight time from Philadelphia to Washington is 36 minutes. The flight distance is 217 km / 135 miles and the average flight speed is 360 km/h / 224 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4821 Philadelphia to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4821 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4821 arriving at?

Flight UA4821 arrives at Washington Dulles International Airport (IAD) Terminal M.

When was the latest UA4821 flight?

The latest flight took off on Saturday, August 16th, 2025 with the flight status being Landed on 15:48.

How else can the flight UA4821 be referenced as?

This United Airlines flight can also be referenced as UAL4821, UA 4821, UAL 4821.

How often is flight UA4821 delayed?

On average, 0% of all UA4821 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4821 flight or baggage issues?

If your UA4821 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA4821 Flight Tracker above for more details.

UA4821 and Philadelphia PHL to Washington IAD Flights

Flight UA4821 is code-shared by 3 airlines using the flight numbers AC3634, AV2241, ET1391

Other flights departing from Philadelphia PHL: WN4126, WN655, UA720, WN2146

Other flights arriving at Washington IAD: UA320, UA4317, UA3585, UA4837

All flights connecting Philadelphia PHL to Washington IAD.

UA4821 United Airlines Flight: Philadelphia to Washington Route Map

UA4821 United Airlines Flight Map: Philadelphia to Washington
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.