ASA403 is operated by ALASKA AIRLINES INC between Sacramento International Airport (KSMF) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 44m. SkyMeter has observed 92 legs of this flight number via ADS-B.

✈
FLIGHTS
92
last 90 days
⏱
AVG DURATION
1h 44m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

4
KSMF → KSEA
55
avg 1h 43m · Sacramento → Seattle Tacoma
KFAT → KSEA
15
avg 1h 59m · Fresno Yosemite → Seattle Tacoma
KSEA → KFAT
11
avg 1h 50m · Seattle Tacoma → Fresno Yosemite
PAJN → PANC
2
avg 1h 41m · Juneau → Ted Stevens Anchorage

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
48
B39M BOEING Boeing 737 MAX 9
33
B738 BOEING Boeing 737-800
21
B737 BOEING Boeing 737-700
6
B38M BOEING Boeing 737 MAX 8
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 30 operations of ASA403

30
N622ASBOEING Boeing 737-700
→
08/22/2026
1h 37m
No alerts
Replay Analysis
N611ASBOEING Boeing 737-700
→
08/20/2026
1h 45m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
08/18/2026
2h 2m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
08/17/2026
1h 40m
No alerts
Replay Analysis
N284AKBOEING Boeing 737-900
→
08/16/2026
1h 52m
No alerts
Replay Analysis
N519ASBOEING Boeing 737-800
→
08/15/2026
1h 54m
No alerts
Replay Analysis
N523ASBOEING Boeing 737-800
→
08/14/2026
1h 53m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
08/11/2026
1h 46m
No alerts
Replay Analysis
N275AKBOEING Boeing 737-900
→
08/10/2026
1h 43m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
08/08/2026
1h 44m
No alerts
Replay Analysis
N272AKBOEING Boeing 737-900
→
08/07/2026
1h 38m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
08/06/2026
1h 57m
No alerts
Replay Analysis
N903AKBOEING Boeing 737 MAX 9
→
08/04/2026
1h 30m
No alerts
Replay Analysis
N971AKBOEING Boeing 737 MAX 9
→
08/03/2026
1h 50m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
08/02/2026
1h 38m
No alerts
Replay Analysis
N552ASBOEING Boeing 737-800
→
08/01/2026
1h 36m
No alerts
Replay Analysis
N535ASBOEING Boeing 737-800
→
07/31/2026
1h 47m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
07/30/2026
1h 38m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
07/28/2026
1h 39m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
07/27/2026
1h 39m
No alerts
Replay Analysis
N274AKBOEING Boeing 737-900
→
07/26/2026
1h 34m
No alerts
Replay Analysis
N961AKBOEING Boeing 737 MAX 9
→
07/25/2026
1h 37m
No alerts
Replay Analysis
N973AKBOEING Boeing 737 MAX 9
→
07/24/2026
1h 39m
No alerts
Replay Analysis
N478ASBOEING Boeing 737-900
→
07/23/2026
1h 44m
No alerts
Replay Analysis
N275AKBOEING Boeing 737-900
→
07/21/2026
1h 44m
No alerts
Replay Analysis
N487ASBOEING Boeing 737-900
→
07/20/2026
1h 50m
No alerts
Replay Analysis
N936AKBOEING Boeing 737 MAX 9
→
07/19/2026
1h 35m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
07/18/2026
1h 24m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
07/17/2026
1h 38m
No alerts
Replay Analysis
N560ASBOEING Boeing 737-800
→
07/16/2026
1h 43m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window