ASA239 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 4h 3m. SkyMeter has observed 85 legs of this flight number via ADS-B.

✈
FLIGHTS
85
last 90 days
⏱
AVG DURATION
4h 3m
tracked time
📅
SERVICE PERIOD
06/14/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
6 / 4
city pairs · airframes
⚠
INCIDENT RATE
1.2%
1 flagged

Routes flown

By count · last 90 days

3
KSEA → KEWR
61
avg 4h 51m · Seattle Tacoma → Newark Liberty
KLAX → KSFO
16
avg 1h 10m · Los Angeles → San Francisco
KSEA → KS50
1
avg 4h 29m · Seattle Tacoma → Auburn

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
38
B739 BOEING Boeing 737-900
30
B738 BOEING Boeing 737-800
14
B38M BOEING Boeing 737 MAX 8
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 ASA239

30
N558ASBOEING Boeing 737-800
→
08/20/2026
17m
No alerts
Replay Analysis
N812AKBOEING Boeing 737 MAX 8
→
08/19/2026
21m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
08/18/2026
4h 39m
No alerts
Replay Analysis
N985AKBOEING Boeing 737 MAX 9
→
08/17/2026
4h 40m
No alerts
Replay Analysis
N592ASBOEING Boeing 737-800
→
08/16/2026
4h 48m
△ Low approach-stability score
Replay Analysis
N248AKBOEING Boeing 737-900
→
08/15/2026
4h 58m
No alerts
Replay Analysis
N719ALBOEING Boeing 737 MAX 9
→
08/14/2026
4h 35m
No alerts
Replay Analysis
N929AKBOEING Boeing 737 MAX 9
→
08/13/2026
4h 53m
No alerts
Replay Analysis
N268AKBOEING Boeing 737-900
→
08/12/2026
4h 28m
No alerts
Replay Analysis
N433ASBOEING Boeing 737-900
→
08/11/2026
4h 44m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/10/2026
4h 44m
No alerts
Replay Analysis
N491ASBOEING Boeing 737-900
→
08/09/2026
1h 26m
No alerts
Replay Analysis
N929AKBOEING Boeing 737 MAX 9
→
08/08/2026
4h 48m
No alerts
Replay Analysis
N976AKBOEING Boeing 737 MAX 9
→
08/07/2026
4h 59m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
08/06/2026
4h 58m
No alerts
Replay Analysis
N215AKBOEING Boeing 737-900
→
08/05/2026
4h 53m
No alerts
Replay Analysis
N413ASBOEING Boeing 737-900
→
08/04/2026
4h 50m
No alerts
Replay Analysis
N941AKBOEING Boeing 737 MAX 9
→
08/03/2026
4h 55m
No alerts
Replay Analysis
N934AKBOEING Boeing 737 MAX 9
→
08/02/2026
4h 43m
No alerts
Replay Analysis
N479ASBOEING Boeing 737-900
→
08/01/2026
9h 2m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
07/31/2026
5h 8m
No alerts
Replay Analysis
N946AKBOEING Boeing 737 MAX 9
→
07/30/2026
5h 9m
No alerts
Replay Analysis
N716ALBOEING Boeing 737 MAX 9
→
07/29/2026
4h 44m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
07/27/2026
4h 39m
No alerts
Replay Analysis
N955AKBOEING Boeing 737 MAX 9
→
07/26/2026
4h 47m
No alerts
Replay Analysis
N558ASBOEING Boeing 737-800
→
07/25/2026
4h 40m
No alerts
Replay Analysis
N984AKBOEING Boeing 737 MAX 9
→
07/24/2026
4h 42m
No alerts
Replay Analysis
N912AKBOEING Boeing 737 MAX 9
→
07/23/2026
4h 44m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
07/22/2026
4h 36m
No alerts
Replay Analysis
N946AKBOEING Boeing 737 MAX 9
→
07/20/2026
4h 31m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window