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 46m. SkyMeter has observed 89 legs of this flight number via ADS-B.

✈
FLIGHTS
89
last 90 days
⏱
AVG DURATION
3h 46m
tracked time
📅
SERVICE PERIOD
06/12/2025 → 08/18/2026
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
44
avg 3h 56m · St Louis Lambert → Seattle Tacoma

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
42
B39M BOEING Boeing 737 MAX 9
40
B738 BOEING Boeing 737-800
7

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
N278AKBOEING Boeing 737-900
→
08/18/2026
4h 25m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
08/17/2026
4h 5m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
08/16/2026
4h 3m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
08/15/2026
3h 54m
No alerts
Replay Analysis
N975AKBOEING Boeing 737 MAX 9
→
08/14/2026
4h 9m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
08/13/2026
4h 12m
No alerts
Replay Analysis
N274AKBOEING Boeing 737-900
→
08/12/2026
3h 54m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
08/11/2026
4h 0m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
08/11/2026
5m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
08/10/2026
4h 21m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
08/09/2026
4h 8m
No alerts
Replay Analysis
N706ALBOEING Boeing 737 MAX 9
→
08/08/2026
3h 55m
No alerts
Replay Analysis
N268AKBOEING Boeing 737-900
→
08/07/2026
4h 0m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
08/06/2026
4h 6m
No alerts
Replay Analysis
N251AKBOEING Boeing 737-900
→
08/05/2026
4h 15m
No alerts
Replay Analysis
N224AKBOEING Boeing 737-900
→
08/04/2026
4h 14m
No alerts
Replay Analysis
N224AKBOEING Boeing 737-900
→
08/04/2026
5m
No alerts
Replay Analysis
N419ASBOEING Boeing 737-900
→
08/03/2026
4h 5m
No alerts
Replay Analysis
N492ASBOEING Boeing 737-900
→
08/02/2026
4h 11m
No alerts
Replay Analysis
N407ASBOEING Boeing 737-900
→
08/01/2026
3h 57m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
07/31/2026
3h 57m
No alerts
Replay Analysis
N956AKBOEING Boeing 737 MAX 9
→
07/30/2026
3h 58m
No alerts
Replay Analysis
N932AKBOEING Boeing 737 MAX 9
→
07/29/2026
3h 58m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
07/28/2026
3h 57m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
07/27/2026
3h 56m
No alerts
Replay Analysis
N958AKBOEING Boeing 737 MAX 9
→
07/26/2026
3h 54m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
07/25/2026
3h 59m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
07/24/2026
4h 9m
No alerts
Replay Analysis
N969AKBOEING Boeing 737 MAX 9
→
07/23/2026
3h 53m
No alerts
Replay Analysis
N978AKBOEING Boeing 737 MAX 9
→
07/22/2026
3h 49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window