AS100 Alaska Airlines - Flight Status
Below, you can find details about Alaska Airlines flight AS100, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and London - London Heathrow Airport (Airport Code LHR).
This flight data pertains specifically to the flight's details for Thursday, May 21, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights AS100
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights AS100
AS100 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
AS100 Alaska Airlines to London
En Route - Delayed
Delay: 16 minutes
Flight Status for Thursday May 21, 2026
This flight is also scheduled for Tomorrow (May 22, 2026). See it here
En Route - Delayed
Delay: 16 minutes
Flight Status for Thursday May 21, 2026
Airline information
Alaska Airlines
Equipment: Boeing 787-9
Departure
Seattle (SEA)
May 21, 2026
Seattle-Tacoma International Airport
Departed at:
09:37 pm
Gate:
N16
Scheduled Departure Time: 09:40 pm
Arrival
London (LHR)
May 22, 2026
London Heathrow Airport
Estimated Arrival Time:
03:21 pm
Terminal:
3
Gate:
UNPL
Scheduled Arrival Time: 03:05 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight AS100?
The flight AS100 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight AS100?
The distance between the two airports is 4788 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-05-21 23:55:16
Current Time in London: 2026-05-22 07:55:16
The flight AS100 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight AS100?
The distance between the two airports is 4788 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-05-21 23:55:16
Current Time in London: 2026-05-22 07:55:16
Alternative Flights
The following airlines serves the same route between Seattle and London:
British Airways
- Flight Number: BA48. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: BA52. (On Time performance: 83 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL20. (On Time performance: 91 - Average Delay: 9 minutes)
Virgin Atlantic
- Flight Number: VS106. (On Time performance: 96 - Average Delay: 5 minutes)
British Airways
- Flight Number: BA48. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: BA52. (On Time performance: 83 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL20. (On Time performance: 91 - Average Delay: 9 minutes)
Virgin Atlantic
- Flight Number: VS106. (On Time performance: 96 - Average Delay: 5 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights AS100
No flights for AS100 were scheduled in the past month. The last flight took place on Thursday, May 21, 2026