| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 08 | SEA | LHR | 13:57 | 06:34 |
En-Route
|
Track > |
| Jul 07 | SEA | LHR | 13:53 | 06:34 |
Landed
|
Track > |
| Jul 06 | SEA | LHR | 14:03 | 06:40 |
Landed
|
Track > |
| Jul 05 | SEA | LHR | 14:31 | 07:02 |
Landed Late
|
Track > |
| Jul 04 | SEA | LHR | 14:46 | 07:23 |
Landed Late
|
Track > |
| Jul 03 | SEA | LHR | 14:21 | 07:01 |
Landed Late
|
Track > |
| Jul 02 | SEA | LHR | 14:04 | 06:41 |
Landed
|
Track > |
| Jul 01 | SEA | LHR | 13:43 | 06:22 |
Landed
|
Track > |
| Jun 30 | SEA | LHR | 13:59 | 06:40 |
Landed
|
Track > |
| Jun 29 | SEA | LHR | 13:47 | 06:35 |
Landed
|
Track > |
Finnair Flight AY5450 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 AY5450 flight from Seattle to London?
The average flight time from Seattle to London is 8 hours and 38 minutes. The flight distance is 7701 km / 4785 miles and the average flight speed is 891 km/h / 553 mph.
How many AY5450 flights are operated per week?
6 flights per week. The flight AY5450 is operated on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Finnair Flight AY5450 Seattle to London?
The Airportia On-Time Performance Rating for Finnair Flight AY5450 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AY5450 arriving at?
Flight AY5450 arrives at London Heathrow Airport (LHR) Terminal 5.
When was the latest AY5450 flight?
The latest flight took off on Thursday, July 9th, 2026 with the flight status being En-Route on 06:34.
How else can the flight AY5450 be referenced as?
This Finnair flight can also be referenced as FIN5450, AY 5450, FIN 5450.
How often is flight AY5450 delayed?
On average, 30% of all AY5450 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled AY5450 flight or baggage issues?
If your AY5450 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 AY5450 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AF337, AS497, HA823, WN1876
Other flights arriving at London LHR: BA246, BA52, UA929, DL58
All flights connecting Seattle SEA to London LHR.
