| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 08 | PHL | LHR | 22:15 | 10:20 |
Scheduled
|
Track > |
| Jul 07 | PHL | LHR | 22:27 | 10:08 |
Landed
|
Track > |
| Jul 06 | PHL | LHR | 22:34 | 09:54 |
Landed
|
Track > |
| Jul 05 | PHL | LHR | 22:38 | 10:25 |
Landed
|
Track > |
| Jul 04 | PHL | LHR | 23:53 | 11:37 |
Delayed
|
Track > |
| Jul 03 | PHL | LHR | 22:48 | 10:09 |
Landed
|
Track > |
| Jul 02 | PHL | LHR | 22:47 | 10:36 |
Landed Late
|
Track > |
| Jul 01 | PHL | LHR | 22:49 | 10:15 |
Landed
|
Track > |
| Jun 30 | PHL | LHR | 22:34 | 09:57 |
Landed
|
Track > |
| Jun 29 | PHL | LHR | 22:52 | 10:27 |
Landed
|
Track > |
Finnair Flight AY3866 connects Philadelphia, United States to London, United Kingdom, taking off from Philadelphia International Airport PHL and landing at London Heathrow Airport LHR.
How long is the AY3866 flight from Philadelphia to London?
The average flight time from Philadelphia to London is 6 hours and 34 minutes. The flight distance is 5689 km / 3535 miles and the average flight speed is 861 km/h / 535 mph.
How many AY3866 flights are operated per week?
7 flights per week. The flight AY3866 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Finnair Flight AY3866 Philadelphia to London?
The Airportia On-Time Performance Rating for Finnair Flight AY3866 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AY3866 arriving at?
Flight AY3866 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest AY3866 flight?
The latest flight took off on Thursday, July 9th, 2026 with the flight status being Scheduled on 10:20.
How else can the flight AY3866 be referenced as?
This Finnair flight can also be referenced as FIN3866, AY 3866, FIN 3866.
How often is flight AY3866 delayed?
On average, 40% of all AY3866 flights are delayed. The average delay is 26 minutes.
Can I get compensation for my delayed or cancelled AY3866 flight or baggage issues?
If your AY3866 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 AY3866 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: AA780, AA736, AA1874, AA5911
Other flights arriving at London LHR: UA146, DL3, AA54, AA736
All flights connecting Philadelphia PHL to London LHR.