ASA1321

ALASKA AIRLINES INC · SEA → STS

ASA1321 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Charles M. Schulz Sonoma County Airport (KSTS). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 42m. SkyMeter has observed 101 legs of this flight number via ADS-B.

✈
FLIGHTS
101
last 90 days
⏱
AVG DURATION
1h 42m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
7 / 2
city pairs · airframes
⚠
INCIDENT RATE
1.0%
1 flagged

Routes flown

By count · last 90 days

4
KSEA → KSTS
79
avg 1h 44m · Seattle Tacoma → Charles M. Schulz Sonoma County
KSTS → KSEA
14
avg 1h 37m · Charles M. Schulz Sonoma County → Seattle Tacoma
KSEA → O31
1
avg 1h 28m · Seattle Tacoma → Healdsburg
KSTS → KRNT
1
avg 1h 34m · Charles M. Schulz Sonoma County → Renton

Aircraft types

Equipment used on this number

2
B738 BOEING Boeing 737-800
82
B38M BOEING Boeing 737 MAX 8
21

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 ASA1321

30
N556ASBOEING Boeing 737-800
→
08/22/2026
1h 53m
No alerts
Replay Analysis
N590ASBOEING Boeing 737-800
→
08/18/2026
1h 57m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
08/17/2026
1h 41m
No alerts
Replay Analysis
N842AKBOEING Boeing 737 MAX 8
→
08/16/2026
1h 57m
No alerts
Replay Analysis
N508ASBOEING Boeing 737-800
→
08/15/2026
1h 31m
No alerts
Replay Analysis
N587ASBOEING Boeing 737-800
→
08/14/2026
1h 54m
No alerts
Replay Analysis
N516ASBOEING Boeing 737-800
→
08/13/2026
1h 53m
No alerts
Replay Analysis
N846AKBOEING Boeing 737 MAX 8
→
08/12/2026
1h 27m
No alerts
Replay Analysis
N551ASBOEING Boeing 737-800
→
08/11/2026
1h 40m
No alerts
Replay Analysis
N816AKBOEING Boeing 737 MAX 8
→
08/10/2026
1h 48m
No alerts
Replay Analysis
N548ASBOEING Boeing 737-800
→
08/09/2026
43m
No alerts
Replay Analysis
N588ASBOEING Boeing 737-800
→
08/08/2026
1h 42m
No alerts
Replay Analysis
N560ASBOEING Boeing 737-800
→
08/07/2026
1h 41m
No alerts
Replay Analysis
N577ASBOEING Boeing 737-800
→
08/06/2026
1h 33m
No alerts
Replay Analysis
N816AKBOEING Boeing 737 MAX 8
→
08/05/2026
2h 0m
No alerts
Replay Analysis
N524ASBOEING Boeing 737-800
→
08/04/2026
2h 0m
No alerts
Replay Analysis
N805AKBOEING Boeing 737 MAX 8
→
08/03/2026
1h 38m
No alerts
Replay Analysis
N563ASBOEING Boeing 737-800
→
08/02/2026
1h 30m
No alerts
Replay Analysis
N525ASBOEING Boeing 737-800
→
07/31/2026
1h 43m
No alerts
Replay Analysis
N563ASBOEING Boeing 737-800
→
07/30/2026
1h 33m
No alerts
Replay Analysis
N556ASBOEING Boeing 737-800
→
07/29/2026
1h 45m
No alerts
Replay Analysis
N596ASBOEING Boeing 737-800
→
07/28/2026
1h 43m
No alerts
Replay Analysis
N821AKBOEING Boeing 737 MAX 8
→
07/27/2026
1h 46m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
07/26/2026
1h 42m
No alerts
Replay Analysis
N557ASBOEING Boeing 737-800
→
07/25/2026
1h 48m
No alerts
Replay Analysis
N549ASBOEING Boeing 737-800
→
07/24/2026
1h 50m
No alerts
Replay Analysis
N849AKBOEING Boeing 737 MAX 8
→
07/23/2026
1h 52m
No alerts
Replay Analysis
N586ASBOEING Boeing 737-800
→
07/22/2026
1h 55m
No alerts
Replay Analysis
N534ASBOEING Boeing 737-800
→
07/21/2026
1h 56m
No alerts
Replay Analysis
N838AKBOEING Boeing 737 MAX 8
→
07/20/2026
2h 1m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window