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AS42

SFO → JFK · Boeing 737-900 · Alaska Airlines

For travellers

Departure · San Francisco (SFO)

Terminal T1 · Gate B3
Scheduled 01 Oct 13:41 · Departed 01 Oct 13:59 · +18 min
Board status: Departed
Airborne since 01 Oct 13:59 (ADS-B)

Board data from sfo, updated 1196 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-01 20:41 UTC
Departed
2026-10-01 20:59 UTC
Arrival
John F Kennedy International Airport (JFK) — New York, United States
Codeshares
Distance flown
4311 km
Straight-line distance
4152 km
Approach distance
77 km

Aircraft

Registration
Type
Boeing 737-900
Seats
178 total (138 Economy, 24 Premium, 16 First)
CO2 (EMEP est., total)
100.7 t (861 kg/pax Business, 596 kg/pax Premium Economy, 527 kg/pax Economy)

Altitude & speed

Max altitude
35,025 ft
Max ground speed
541 kt
Tracked
5h 10m · 4,302 km
Altitude (ft, max 35,025)
018,91437,8270m1h 0m2h 0m3h 0m4h 0m5h 0m
Ground speed (kt, max 541)
02925840m1h 0m2h 0m3h 0m4h 0m5h 0m
Altitude (ft, max 35,025)
018,91437,8270m2h 0m4h 0m
Ground speed (kt, max 541)
02925840m2h 0m4h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Alaska Airlines (ASA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 20:59 UTC ASA42 SFO → JFK
San Francisco → New York
N408AS Boeing 737-900 Completed 4311 km
2026-09-30 20:38 UTC ASA42 SFO → JFK
San Francisco → New York
N942AK Boeing 737 MAX 9 Completed 4318 km
2026-09-29 20:41 UTC ASA42 SFO → JFK
San Francisco → New York
N941AK Boeing 737 MAX 9 Completed 4320 km
2026-09-28 23:02 UTC ASA42 SFO → JFK
San Francisco → New York
N929AK Boeing 737 MAX 9 Completed 4310 km
2026-09-22 21:00 UTC ASA42 SFO → JFK
San Francisco → New York
N402AS Boeing 737-900 Completed 4307 km
2026-09-17 21:49 UTC ASA42 SFO → JFK
San Francisco → New York
N973AK Boeing 737 MAX 9 Completed 4552 km
2026-09-16 20:43 UTC ASA42 SFO → JFK
San Francisco → New York
N977AK Boeing 737 MAX 9 Completed 4628 km

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