UA 4538 Washington to Philadelphia Flight Status

United Airlines Flight UA4538 from Washington Dulles International Airport IAD to Philadelphia International Airport PHL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for UA4538's most recent flight history:

UA 4538 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 08:52 09:24
Landed
Track >
Oct 24 08:45 09:17
Landed
Track >
Oct 22 08:48 09:32
Landed
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Oct 21 08:52 09:34
Landed
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Oct 20 09:25 10:03
Landed Late
Track >

United Airlines UA 4538 Washington to Philadelphia Flight Information

United Airlines Flight UA4538 connects Washington, United States to Philadelphia, United States, taking off from Washington Dulles International Airport IAD and landing at Philadelphia International Airport PHL.

How long is the UA4538 flight from Washington to Philadelphia?

The average flight time from Washington to Philadelphia is 35 minutes. The flight distance is 217 km / 135 miles and the average flight speed is 375 km/h / 233 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4538 Washington to Philadelphia?

The Airportia On-Time Performance Rating for United Airlines Flight UA4538 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4538 arriving at?

Flight UA4538 arrives at Philadelphia International Airport (PHL) Terminal D.

When was the latest UA4538 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 09:24.

How else can the flight UA4538 be referenced as?

This United Airlines flight can also be referenced as UAL4538, UA 4538, UAL 4538.

How often is flight UA4538 delayed?

On average, 10% of all UA4538 flights are delayed. The average delay is 17 minutes.

Can I get compensation for my delayed or cancelled UA4538 flight or baggage issues?

If your UA4538 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 UA4538 Flight Tracker above for more details.

UA4538 and Washington IAD to Philadelphia PHL Flights

Flight UA4538 is code-shared by 2 airlines using the flight numbers AV2084, CM2260

Other flights departing from Washington IAD: UA694, UA2632, UA6234, UA4178

Other flights arriving at Philadelphia PHL: AA1450, AA5074, AA1872, AA3318

All flights connecting Washington IAD to Philadelphia PHL.

UA4538 United Airlines Flight: Washington to Philadelphia Route Map

UA4538 United Airlines Flight Map: Washington to Philadelphia
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.