ASA473 is operated by ALASKA AIRLINES INC between St Louis Lambert International Airport (KSTL) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 57m. SkyMeter has observed 32 legs of this flight number via ADS-B.

✈
FLIGHTS
32
last 90 days
⏱
AVG DURATION
3h 57m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
2 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KSTL → KSEA
31
avg 4h 2m · St Louis Lambert → Seattle Tacoma

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
16
B39M BOEING Boeing 737 MAX 9
14
B738 BOEING Boeing 737-800
2

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 30 operations of ASA473

30
N918AKBOEING Boeing 737 MAX 9
→
06/03/2026
3h 58m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
06/02/2026
3h 55m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
06/01/2026
4h 2m
No alerts
Replay Analysis
N724ALBOEING Boeing 737 MAX 9
→
05/31/2026
3h 38m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
05/29/2026
3h 38m
No alerts
Replay Analysis
N508ASBOEING Boeing 737-800
→
05/28/2026
3h 44m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
05/26/2026
3h 49m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
05/25/2026
3h 53m
No alerts
Replay Analysis
N969AKBOEING Boeing 737 MAX 9
→
05/24/2026
4h 17m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
05/23/2026
4h 4m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
05/21/2026
3h 58m
No alerts
Replay Analysis
N283AKBOEING Boeing 737-900
→
05/20/2026
4h 1m
No alerts
Replay Analysis
N961AKBOEING Boeing 737 MAX 9
→
05/18/2026
4h 17m
No alerts
Replay Analysis
N278AKBOEING Boeing 737-900
→
05/17/2026
3h 52m
No alerts
Replay Analysis
N990AKBOEING Boeing 737 MAX 9
→
05/15/2026
4h 25m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
05/14/2026
4h 18m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
05/13/2026
4h 14m
No alerts
Replay Analysis
N431ASBOEING Boeing 737-900
→
05/11/2026
4h 2m
No alerts
Replay Analysis
N733ALBOEING Boeing 737 MAX 9
→
05/10/2026
4h 20m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
05/03/2026
4h 13m
No alerts
Replay Analysis
N709ALBOEING Boeing 737 MAX 9
→
05/02/2026
4h 0m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
05/01/2026
3h 57m
No alerts
Replay Analysis
N248AKBOEING Boeing 737-900
→
04/30/2026
4h 11m
No alerts
Replay Analysis
N278AKBOEING Boeing 737-900
→
04/28/2026
4h 1m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
04/25/2026
3h 59m
No alerts
Replay Analysis
N491ASBOEING Boeing 737-900
→
04/23/2026
4h 5m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
04/21/2026
3h 59m
No alerts
Replay Analysis
N419ASBOEING Boeing 737-900
→
04/20/2026
4h 1m
No alerts
Replay Analysis
N224AKBOEING Boeing 737-900
→
04/19/2026
4h 9m
No alerts
Replay Analysis
N551ASBOEING Boeing 737-800
→
04/18/2026
4h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window