AY3873 Flight Status Finnair: London to Philadelphia (FIN3873)

AY 3873 London to Philadelphia Flight Status

Not scheduled today. Latest flight: October 22nd, 2026 ; recent history is in the table below.

AY 3873 Flight Status & Schedule Finnair London to Philadelphia

Date From To Departure Arrival Status Details
Oct 22 LHR PHL 14:58 18:33 Cancelled Claim >

Finnair's London–Philadelphia flight covers 5,689 km (3,535 mi). The timetable allows 8 h 35 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 22 October 2026, was cancelled.

< All London LHR Departures All Philadelphia PHL Arrivals >

About AY 3873

Route
London Heathrow Airport LHR to Philadelphia International Airport PHL
Distance
5,689 km (3,535 mi)
Scheduled flight time
8 h 35 min

Departing the UK, this flight is covered by UK261. Compensation of up to £520 per passenger can apply when it arrives 3 or more hours late or is cancelled.

AY 3873 FAQ

How long is the AY3873 flight?
The timetable allows 8 h 35 min. London to Philadelphia is 5,689 km (3,535 mi).
What other flight numbers does AY3873 have?
Also listed as FIN3873 (Finnair's ICAO code) and AY 3873.
Can I get compensation if AY3873 is delayed or cancelled?
Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

AY3873 Flight Delay Compensation up to £520

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 compensation of up to £520 if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

AY3873 and London LHR to Philadelphia PHL Flights

Flight AY3873 is a code-share Finnair flight of the American Airlines operated AA781.

Other flights departing from London LHR: BA1312, VY8961, AA781

Other flights arriving at Philadelphia PHL: AA781, AA1977, WN419

All flights connecting London LHR to Philadelphia PHL.