ASA42 is operated by ALASKA AIRLINES INC between San Francisco International Airport (KSFO) and John F Kennedy International Airport (KJFK). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 4h 45m. SkyMeter has observed 45 legs of this flight number via ADS-B.

FLIGHTS
45
last 90 days
AVG DURATION
4h 45m
tracked time
📅
SERVICE PERIOD
04/13/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 4
city pairs · airframes
INCIDENT RATE
8.9%
4 flagged

Routes flown

By count · last 90 days

1
34
avg 5h 28m · San Francisco → John F Kennedy

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of ASA42

30
06/03/2026
3h 12m
No alerts
06/03/2026
2h 27m
No alerts
06/02/2026
3h 18m
No alerts
06/02/2026
2h 39m
△ Unstable
06/01/2026
2h 34m
No alerts
06/01/2026
5h 14m
△ Unstable
05/28/2026
2h 31m
No alerts
05/26/2026
2h 24m
No alerts
05/22/2026
1h 59m
△ Unstable
05/21/2026
5h 13m
△ Unstable
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window