ASA399 is operated by ALASKA AIRLINES INC between San Diego International Airport (KSAN) and Portland International Airport (KPDX). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 33m. SkyMeter has observed 43 legs of this flight number via ADS-B.

✈
FLIGHTS
43
last 90 days
⏱
AVG DURATION
2h 33m
tracked time
📅
SERVICE PERIOD
04/08/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 4
city pairs · airframes
⚠
INCIDENT RATE
4.7%
2 flagged

Routes flown

By count · last 90 days

1
KSAN → KPDX
41
avg 2h 34m · San Diego → Portland

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
18
B39M BOEING Boeing 737 MAX 9
12
B738 BOEING Boeing 737-800
10
B38M BOEING Boeing 737 MAX 8
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 ASA399

30
N237AKBOEING Boeing 737-900
→
06/03/2026
2h 49m
No alerts
Replay Analysis
N284AKBOEING Boeing 737-900
→
06/02/2026
2h 33m
No alerts
Replay Analysis
N433ASBOEING Boeing 737-900
→
06/01/2026
2h 29m
No alerts
Replay Analysis
N272AKBOEING Boeing 737-900
→
05/31/2026
2h 28m
No alerts
Replay Analysis
N577ASBOEING Boeing 737-800
→
05/29/2026
1h 40m
No alerts
Replay Analysis
N559ASBOEING Boeing 737-800
→
05/28/2026
2h 43m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
05/27/2026
2h 54m
No alerts
Replay Analysis
N928AKBOEING Boeing 737 MAX 9
→
05/26/2026
2h 47m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
05/25/2026
2h 41m
No alerts
Replay Analysis
N557ASBOEING Boeing 737-800
→
05/24/2026
2h 29m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
05/23/2026
2h 34m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
05/21/2026
2h 30m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
05/18/2026
2h 43m
No alerts
Replay Analysis
N816AKBOEING Boeing 737 MAX 8
→
05/17/2026
2h 59m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
05/16/2026
2h 35m
No alerts
Replay Analysis
N428ASBOEING Boeing 737-900
→
05/15/2026
2h 52m
No alerts
Replay Analysis
N486ASBOEING Boeing 737-900
→
05/14/2026
2h 37m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
05/13/2026
2h 33m
No alerts
Replay Analysis
N803AKBOEING Boeing 737 MAX 8
→
05/11/2026
2h 54m
No alerts
Replay Analysis
N238AKBOEING Boeing 737-900
→
05/10/2026
2h 30m
No alerts
Replay Analysis
N973AKBOEING Boeing 737 MAX 9
→
05/03/2026
2h 22m
△ Unstable
Replay Analysis
N281AKBOEING Boeing 737-900
→
05/02/2026
2h 38m
No alerts
Replay Analysis
N926AKBOEING Boeing 737 MAX 9
→
05/01/2026
2h 28m
No alerts
Replay Analysis
N471ASBOEING Boeing 737-900
→
04/30/2026
2h 39m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
04/28/2026
2h 31m
No alerts
Replay Analysis
N801AKBOEING Boeing 737 MAX 8
→
04/27/2026
2h 38m
△ Unstable
Replay Analysis
N570ASBOEING Boeing 737-800
→
04/26/2026
2h 21m
No alerts
Replay Analysis
N525ASBOEING Boeing 737-800
→
04/25/2026
2h 25m
No alerts
Replay Analysis
N938AKBOEING Boeing 737 MAX 9
→
04/24/2026
2h 21m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
04/23/2026
2h 39m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window