ASA9400

ALASKA AIRLINES INC · SFO → SEA

ASA9400 is operated by ALASKA AIRLINES INC between San Francisco International Airport (KSFO) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 18m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
1h 18m
tracked time
📅
SERVICE PERIOD
6/2/2025 → 8/4/2026
first → last seen
🗺
ROUTES / TYPES
2 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KSFO → KSEA
1
avg 2h 10m · San Francisco → Seattle Tacoma
KHAF → KLAX
1
avg 1h 38m · Half Moon Bay → Los Angeles

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
4
B737 BOEING Boeing 737-700
2
B738 BOEING Boeing 737-800
1
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 19 operations of ASA9400

19
N644ASBOEING Boeing 737-700
→
8/4/2026
1h 9m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
7/21/2026
1h 38m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
6/3/2026
37m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
6/2/2026
1h 32m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
6/2/2026
2h 10m
No alerts
Replay Analysis
N626ASBOEING Boeing 737-700
→
5/25/2026
46m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
5/20/2026
1h 8m
No alerts
Replay Analysis
N563ASBOEING Boeing 737-800
→
5/16/2026
56m
No alerts
Replay Analysis
N512ASBOEING Boeing 737-800
→
5/3/2026
1h 36m
No alerts
Replay Analysis
N512ASBOEING Boeing 737-800
→
5/3/2026
1h 36m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
1/13/2026
2h 15m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
1/13/2026
2h 15m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
1/12/2026
33m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
1/12/2026
2h 49m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
1/12/2026
33m
No alerts
Replay Analysis
N530ASBOEING Boeing 737-800
→
12/10/2025
1h 21m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
8/20/2025
1h 49m
No alerts
Replay Analysis
N913AKBOEING Boeing 737 MAX 9
→
6/14/2025
1h 17m
No alerts
Replay Analysis
N586ASBOEING Boeing 737-800
→
6/2/2025
1h 38m
△ Low approach-stability score
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window