ASA571 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Ontario International Airport (KONT). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 14m. SkyMeter has observed 38 legs of this flight number via ADS-B.

✈
FLIGHTS
38
last 90 days
⏱
AVG DURATION
2h 14m
tracked time
📅
SERVICE PERIOD
06/12/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSEA → KONT
26
avg 2h 30m · Seattle Tacoma → Ontario
94CA → KONT
2
avg 8m · Kaiser Permanente Fontana Medical Center Heliport → Ontario
KSEA → KBZN
1
avg 1h 41m · Seattle Tacoma → Gallatin Field

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
24
B39M BOEING Boeing 737 MAX 9
15
B738 BOEING Boeing 737-800
9

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 ASA571

30
N952AKBOEING Boeing 737 MAX 9
→
07/19/2026
2h 35m
No alerts
Replay Analysis
N722ALBOEING Boeing 737 MAX 9
→
07/17/2026
2h 39m
No alerts
Replay Analysis
N530ASBOEING Boeing 737-800
→
07/17/2026
47m
No alerts
Replay Analysis
N530ASBOEING Boeing 737-800
→
07/16/2026
2h 21m
No alerts
Replay Analysis
N530ASBOEING Boeing 737-800
→
07/16/2026
3h 9m
No alerts
Replay Analysis
N264AKBOEING Boeing 737-900
→
07/16/2026
24m
No alerts
Replay Analysis
N264AKBOEING Boeing 737-900
→
07/15/2026
2h 30m
No alerts
Replay Analysis
N264AKBOEING Boeing 737-900
→
07/15/2026
2h 55m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
07/14/2026
2h 44m
No alerts
Replay Analysis
N459ASBOEING Boeing 737-900
→
07/14/2026
5m
No alerts
Replay Analysis
N459ASBOEING Boeing 737-900
→
07/13/2026
2h 42m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
07/12/2026
3h 7m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
07/10/2026
2h 39m
No alerts
Replay Analysis
N248AKBOEING Boeing 737-900
→
07/09/2026
2h 30m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
07/09/2026
24m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
07/08/2026
2h 36m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
07/08/2026
2h 12m
No alerts
Replay Analysis
N268AKBOEING Boeing 737-900
→
07/07/2026
2h 42m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
07/05/2026
2h 39m
No alerts
Replay Analysis
N722ALBOEING Boeing 737 MAX 9
→
07/03/2026
2h 22m
No alerts
Replay Analysis
N468ASBOEING Boeing 737-900
→
07/02/2026
2h 14m
No alerts
Replay Analysis
N224AKBOEING Boeing 737-900
→
07/01/2026
2h 38m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
06/30/2026
2h 33m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
06/29/2026
2h 24m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
06/28/2026
2h 30m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
06/26/2026
2h 23m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
06/25/2026
2h 30m
No alerts
Replay Analysis
N948AKBOEING Boeing 737 MAX 9
→
06/25/2026
7m
No alerts
Replay Analysis
N948AKBOEING Boeing 737 MAX 9
→
06/24/2026
2h 42m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
06/24/2026
1h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window