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UA3921 Flight Status United Airlines: London to New York (UAL3921)

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UA 3921 London to New York Flight Status

United Airlines Flight UA3921 from London Heathrow Airport LHR to New York Newark Liberty International Airport EWR is not scheduled for today September 1st, 2026.
The last time the flight was scheduled was on August 25th, 2026.
Check the table below for UA3921's most recent flight history:

UA 3921 Flight Status & Schedule

Date Departure Arrival Status
Aug 25 15:29 17:01
Delayed
 Track >
< All LHR Departures All EWR Arrivals >

United Airlines UA 3921 London to New York Flight Information

United Airlines Flight UA3921 connects London, United Kingdom to New York, United States, taking off from London Heathrow Airport LHR and landing at New York Newark Liberty International Airport EWR.

How long is the UA3921 flight from London to New York?

The average flight time from London to New York is 6 hours and 32 minutes. The flight distance is 5561 km / 3456 miles and the average flight speed is 851 km/h / 529 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3921 London to New York?

The Airportia On-Time Performance Rating for United Airlines Flight UA3921 is 1/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3921 flight?

The latest flight took off on Tuesday, August 25th, 2026 with the flight status being En-Route on 17:01.

How else can the flight UA3921 be referenced as?

This United Airlines flight can also be referenced as UAL3921, UA 3921, UAL 3921.

How often is flight UA3921 delayed?

On average, 100% of all UA3921 flights are delayed. The average delay is 272 minutes.

Can I get compensation for my delayed or cancelled UA3921 flight or baggage issues?

If your UA3921 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 UA3921 Flight Tracker above for more details.

UA3921 Flight Delay Compensation up to 600€!

Claim compensation for your flight delay or cancellation!

Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

Check Compensation >

UA3921 and London LHR to New York EWR Flights

Other flights departing from London LHR: AC867, EY62, QR120, UA905

Other flights arriving at New York EWR: UA905, F92472, G74419, YX3405

All flights connecting London LHR to New York EWR.

UA3921 United Airlines Flight: London to New York Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: EM123 EC4280 IF371 KE9386 GA7230 NX4134 MU7434 LO610 XL1373 8S1921
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.