| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 13 | SEA | LHR | 21:13 | 13:43 |
En-Route
|
Track > |
| Jul 12 | SEA | LHR | 21:42 | 14:21 |
Landed Late
|
Track > |
| Jul 11 | SEA | LHR | 21:52 | 14:36 |
Delayed
|
Track > |
| Jul 10 | SEA | LHR | 20:45 | 13:22 |
Landed
|
Track > |
| Jul 09 | SEA | LHR | 20:53 | 13:22 |
Landed
|
Track > |
| Jul 08 | SEA | LHR | 20:42 | 13:28 |
Landed
|
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| Jul 07 | SEA | LHR | 21:04 | 14:03 |
Landed Late
|
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| Jul 06 | SEA | LHR | 21:27 | 14:04 |
Landed Late
|
Track > |
| Jul 05 | SEA | LHR | 20:56 | 13:42 |
Landed
|
Track > |
| Jul 04 | SEA | LHR | 21:18 | 13:55 |
Landed
|
Track > |
Finnair Flight AY5448 connects Seattle, United States to London, United Kingdom, taking off from Seattle Tacoma International Airport SEA and landing at London Heathrow Airport LHR.
How long is the AY5448 flight from Seattle to London?
The average flight time from Seattle to London is 8 hours and 40 minutes. The flight distance is 7701 km / 4785 miles and the average flight speed is 888 km/h / 552 mph.
How many AY5448 flights are operated per week?
7 flights per week. The flight AY5448 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Finnair Flight AY5448 Seattle to London?
The Airportia On-Time Performance Rating for Finnair Flight AY5448 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AY5448 arriving at?
Flight AY5448 arrives at London Heathrow Airport (LHR) Terminal 5.
When was the latest AY5448 flight?
The latest flight took off on Tuesday, July 14th, 2026 with the flight status being En-Route on 13:43.
How else can the flight AY5448 be referenced as?
This Finnair flight can also be referenced as FIN5448, AY 5448, FIN 5448.
How often is flight AY5448 delayed?
On average, 50% of all AY5448 flights are delayed. The average delay is 26 minutes.
Can I get compensation for my delayed or cancelled AY5448 flight or baggage issues?
If your AY5448 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 AY5448 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS1398, BA48, AS667, HA855
Other flights arriving at London LHR: BA48, BA549, AF1780, BA1443
All flights connecting Seattle SEA to London LHR.
