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 39m. SkyMeter has observed 106 legs of this flight number via ADS-B.

✈
FLIGHTS
106
last 90 days
⏱
AVG DURATION
1h 39m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.9%
2 flagged

Routes flown

By count · last 90 days

5
KSMF → KSEA
32
avg 1h 43m · Sacramento → Seattle Tacoma
KFAT → KSEA
26
avg 2h 0m · Fresno Yosemite → Seattle Tacoma
KSEA → KFAT
23
avg 1h 48m · Seattle Tacoma → Fresno Yosemite
KPDX → KSEA
16
avg 56m · Portland → Seattle Tacoma
KPDX → KRNT
1
avg 57m · Portland → Renton

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
57
B39M BOEING Boeing 737 MAX 9
43
B738 BOEING Boeing 737-800
24
B737 BOEING Boeing 737-700
8
B38M BOEING Boeing 737 MAX 8
2

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 ASA403

30
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
N469ASBOEING Boeing 737-900
→
07/14/2026
1h 42m
↻ Go-around
Replay Analysis
N462ASBOEING Boeing 737-900
→
07/13/2026
1h 30m
No alerts
Replay Analysis
N442ASBOEING Boeing 737-900
→
07/12/2026
1h 35m
No alerts
Replay Analysis
N929AKBOEING Boeing 737 MAX 9
→
07/11/2026
1h 29m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
07/10/2026
1h 38m
No alerts
Replay Analysis
N706ALBOEING Boeing 737 MAX 9
→
07/09/2026
1h 47m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
07/07/2026
1h 40m
No alerts
Replay Analysis
N467ASBOEING Boeing 737-900
→
07/06/2026
1h 42m
No alerts
Replay Analysis
N579ASBOEING Boeing 737-800
→
07/04/2026
1h 43m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
07/03/2026
2h 7m
No alerts
Replay Analysis
N514ASBOEING Boeing 737-800
→
07/02/2026
1h 44m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
06/30/2026
1h 47m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
06/29/2026
1h 51m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
06/28/2026
1h 41m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
06/27/2026
1h 51m
No alerts
Replay Analysis
N535ASBOEING Boeing 737-800
→
06/26/2026
1h 49m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
06/25/2026
1h 47m
No alerts
Replay Analysis
N990AKBOEING Boeing 737 MAX 9
→
06/23/2026
1h 59m
No alerts
Replay Analysis
N551ASBOEING Boeing 737-800
→
06/22/2026
1h 54m
No alerts
Replay Analysis
N532ASBOEING Boeing 737-800
→
06/21/2026
1h 46m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
06/20/2026
1h 51m
No alerts
Replay Analysis
N971AKBOEING Boeing 737 MAX 9
→
06/19/2026
1h 34m
No alerts
Replay Analysis
N804AKBOEING Boeing 737 MAX 8
→
06/18/2026
1h 55m
No alerts
Replay Analysis
N712ALBOEING Boeing 737 MAX 9
→
06/16/2026
1h 47m
No alerts
Replay Analysis
N974AKBOEING Boeing 737 MAX 9
→
06/15/2026
1h 47m
No alerts
Replay Analysis
N549ASBOEING Boeing 737-800
→
06/14/2026
1h 47m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window