Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

AS40 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS40, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and New York - New York John F. Kennedy International Airport (Airport Code JFK).
This flight data pertains specifically to the flight's details for Thursday, December 04, 2025.

AS40 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

AS40 Alaska Airlines to New York

Landed - On-time
Flight Status for Thursday December 04, 2025
This flight is also scheduled for Today (December 05, 2025). See it here
This flight is also scheduled for Tomorrow (December 06, 2025). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3

Departure

San Francisco (SFO)
December 04, 2025
San Francisco International Airport
Departed at:
09:26 am
Terminal:
1
Gate:
B17
Scheduled Departure Time: 09:22 am

Arrival

New York (JFK)
December 04, 2025
New York John F. Kennedy International Airport
Arrived at:
05:38 pm
Terminal:
8
Gate:
32
Scheduled Arrival Time: 05:55 pm
Baggage: 9
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.airport-sfo.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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- HA6445 - Hawaiian Airlines

- QR2978 - Qatar Airways

Additional Information

Which is the frequency of flight AS40?
The flight AS40 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.

Which is the distance of flight AS40?
The distance between the two airports is 2581 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 San Francisco: 2025-12-05 05:58:55
Current Time in New York: 2025-12-05 08:58:55

Alternative Flights

The following airlines serves the same route between San Francisco and New York:

American Airlines
- Flight Number: AA16. (On Time performance: 81 - Average Delay: 35 minutes)
- Flight Number: AA166. (On Time performance: 83 - Average Delay: 12 minutes)
- Flight Number: AA234. (On Time performance: 93 - Average Delay: 22 minutes)
- Flight Number: AA276. (On Time performance: 84 - Average Delay: 11 minutes)

Alaska Airlines
- Flight Number: AS20. (On Time performance: 70 - Average Delay: 13 minutes)
- Flight Number: AS211. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: AS30. (On Time performance: 73 - Average Delay: 9 minutes)
- Flight Number: AS42. (On Time performance: 77 - Average Delay: 10 minutes)

JetBlue
- Flight Number: B61216. (On Time performance: 83 - Average Delay: 7 minutes)
- Flight Number: B61416. (On Time performance: 71 - Average Delay: 9 minutes)
- Flight Number: B62116. (On Time performance: 66 - Average Delay: 33 minutes)
- Flight Number: B6416. (On Time performance: 89 - Average Delay: 9 minutes)
- Flight Number: B6616. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: B6816. (On Time performance: 85 - Average Delay: 7 minutes)

Delta Air Lines
- Flight Number: DL2112. (On Time performance: 84 - Average Delay: 11 minutes)
- Flight Number: DL319. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: DL363. (On Time performance: 76 - Average Delay: 15 minutes)
- Flight Number: DL383. (On Time performance: 91 - Average Delay: 11 minutes)
- Flight Number: DL405. (On Time performance: 90 - Average Delay: 15 minutes)
- Flight Number: DL668. (On Time performance: 77 - Average Delay: 20 minutes)
- Flight Number: DL669. (On Time performance: 76 - Average Delay: 19 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

Last Past Flights AS40

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
04 December
09:26 am
San Francisco (SFO)
05:38 pm
New York (JFK)
05h 12min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
03 December
09:17 am
San Francisco (SFO)
05:35 pm
New York (JFK)
05h 18min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
02 December
09:22 am
San Francisco (SFO)
05:59 pm
New York (JFK)
05h 37min
Boeing 737MAX
Boeing 737MAX
Landed - On-time