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

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
36
B739 BOEING Boeing 737-900
29
B38M BOEING Boeing 737 MAX 8
1
B738 BOEING Boeing 737-800
1

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
N506ASBOEING Boeing 737-800
→
06/03/2026
3h 12m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
06/03/2026
2h 27m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
06/02/2026
5h 46m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
06/02/2026
3h 18m
No alerts
Replay Analysis
N486ASBOEING Boeing 737-900
→
06/02/2026
2h 39m
△ Unstable
Replay Analysis
N486ASBOEING Boeing 737-900
→
06/01/2026
2h 34m
No alerts
Replay Analysis
N486ASBOEING Boeing 737-900
→
06/01/2026
5h 14m
△ Unstable
Replay Analysis
N435ASBOEING Boeing 737-900
→
06/01/2026
2h 6m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
05/31/2026
3h 9m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
05/31/2026
5h 16m
No alerts
Replay Analysis
N973AKBOEING Boeing 737 MAX 9
→
05/31/2026
2h 22m
No alerts
Replay Analysis
N706ALBOEING Boeing 737 MAX 9
→
05/29/2026
2h 44m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
05/29/2026
2h 25m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
05/28/2026
3h 1m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
05/28/2026
5h 27m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
05/28/2026
2h 31m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
05/26/2026
2h 24m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
05/26/2026
2h 22m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
05/25/2026
3h 22m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
05/25/2026
5h 45m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
05/25/2026
3h 0m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
05/24/2026
2h 39m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
05/24/2026
5h 40m
No alerts
Replay Analysis
N705ALBOEING Boeing 737 MAX 9
→
05/24/2026
2h 57m
No alerts
Replay Analysis
N705ALBOEING Boeing 737 MAX 9
→
05/23/2026
2h 31m
No alerts
Replay Analysis
N705ALBOEING Boeing 737 MAX 9
→
05/23/2026
5h 29m
No alerts
Replay Analysis
N932AKBOEING Boeing 737 MAX 9
→
05/22/2026
46m
No alerts
Replay Analysis
N979AKBOEING Boeing 737 MAX 9
→
05/22/2026
1h 59m
△ Unstable
Replay Analysis
N979AKBOEING Boeing 737 MAX 9
→
05/21/2026
3h 12m
No alerts
Replay Analysis
N979AKBOEING Boeing 737 MAX 9
→
05/21/2026
5h 13m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window