ASA9577

ALASKA AIRLINES INC · SEA → SAT

ASA9577 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and San Antonio International Airport (KSAT). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 15m. SkyMeter has observed 17 legs of this flight number via ADS-B.

✈
FLIGHTS
17
last 90 days
⏱
AVG DURATION
3h 15m
tracked time
📅
SERVICE PERIOD
06/06/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
14 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSEA → KSAT
3
avg 4h 0m · Seattle Tacoma → San Antonio
KGEG → KSEA
2
avg 57m · Spokane → Seattle Tacoma
KPDX → KSEA
1
avg 50m · Portland → Seattle Tacoma
KORD → KSEA
1
avg 4h 10m · Chicago O'Hare → Seattle Tacoma
KDTW → KSEA
1
avg 5h 1m · Detroit Metropolitan Wayne County → Seattle Tacoma
KSAN → KSEA
1
avg 2h 21m · San Diego → Seattle Tacoma
KDEN → KPDX
1
avg 2h 29m · Denver → Portland
KOMA → KSEA
1
avg 3h 19m · Eppley Airfield → Seattle Tacoma
KLAX → KSAT
1
avg 3h 4m · Los Angeles → San Antonio
KSEA → KGSO
1
avg 4h 46m · Seattle Tacoma → Piedmont Triad

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
13
B738 BOEING Boeing 737-800
5
B737 BOEING Boeing 737-700
4
B39M BOEING Boeing 737 MAX 9
3

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 ASA9577

30
N253AKBOEING Boeing 737-900
→
08/20/2026
2h 19m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
08/16/2026
9m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
08/15/2026
3h 50m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
08/15/2026
4h 0m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
08/12/2026
3h 54m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
08/11/2026
1h 6m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
08/11/2026
5h 1m
No alerts
Replay Analysis
N978AKBOEING Boeing 737 MAX 9
→
08/01/2026
29m
No alerts
Replay Analysis
N506ASBOEING Boeing 737-800
→
07/29/2026
3h 4m
No alerts
Replay Analysis
N517ASBOEING Boeing 737-800
→
07/28/2026
25m
No alerts
Replay Analysis
N517ASBOEING Boeing 737-800
→
07/27/2026
2h 53m
No alerts
Replay Analysis
N517ASBOEING Boeing 737-800
→
07/27/2026
3h 19m
No alerts
Replay Analysis
N407ASBOEING Boeing 737-900
→
07/11/2026
2h 21m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
07/05/2026
4h 30m
No alerts
Replay Analysis
N585ASBOEING Boeing 737-800
→
07/01/2026
52m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
06/29/2026
50m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
06/26/2026
4h 9m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
06/23/2026
3h 30m
No alerts
Replay Analysis
N442ASBOEING Boeing 737-900
→
06/20/2026
2h 29m
No alerts
Replay Analysis
N609ASBOEING Boeing 737-700
→
06/10/2026
5h 1m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
06/03/2026
4h 45m
No alerts
Replay Analysis
N614ASBOEING Boeing 737-700
→
05/27/2026
3h 21m
No alerts
Replay Analysis
N614ASBOEING Boeing 737-700
→
05/26/2026
4h 12m
No alerts
Replay Analysis
N614ASBOEING Boeing 737-700
→
05/26/2026
7h 34m
No alerts
Replay Analysis
N725ALBOEING Boeing 737 MAX 9
→
05/25/2026
1h 2m
No alerts
Replay Analysis
N516ASBOEING Boeing 737-800
→
05/22/2026
3h 50m
No alerts
Replay Analysis
N516ASBOEING Boeing 737-800
→
05/21/2026
2h 3m
No alerts
Replay Analysis
N516ASBOEING Boeing 737-800
→
05/21/2026
5h 53m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
05/19/2026
3h 28m
No alerts
Replay Analysis
N937AKBOEING Boeing 737 MAX 9
→
05/12/2026
5h 54m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window