ASA604 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Austin Bergstrom International Airport (KAUS). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 42m. SkyMeter has observed 117 legs of this flight number via ADS-B.

✈
FLIGHTS
117
last 90 days
⏱
AVG DURATION
2h 42m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSEA → KAUS
64
avg 3h 56m · Seattle Tacoma → Austin Bergstrom
KSEA → KPHX
15
avg 2h 38m · Seattle Tacoma → Phoenix Sky Harbor
KSEA → KSAN
1
avg 2h 33m · Seattle Tacoma → San Diego

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
51
B39M BOEING Boeing 737 MAX 9
51
B738 BOEING Boeing 737-800
15
B38M BOEING Boeing 737 MAX 8
1
B737 BOEING Boeing 737-700
1

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 ASA604

30
N707ALBOEING Boeing 737 MAX 9
→
08/22/2026
2h 32m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
08/18/2026
3h 45m
No alerts
Replay Analysis
N527ASBOEING Boeing 737-800
→
08/18/2026
44m
No alerts
Replay Analysis
N527ASBOEING Boeing 737-800
→
08/17/2026
3h 13m
No alerts
Replay Analysis
N527ASBOEING Boeing 737-800
→
08/17/2026
3h 58m
No alerts
Replay Analysis
N966AKBOEING Boeing 737 MAX 9
→
08/16/2026
11m
No alerts
Replay Analysis
N966AKBOEING Boeing 737 MAX 9
→
08/16/2026
3h 55m
No alerts
Replay Analysis
N519ASBOEING Boeing 737-800
→
08/15/2026
4h 7m
No alerts
Replay Analysis
N720ALBOEING Boeing 737 MAX 9
→
08/14/2026
6m
No alerts
Replay Analysis
N720ALBOEING Boeing 737 MAX 9
→
08/14/2026
3h 59m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
08/13/2026
8m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
08/13/2026
4h 15m
No alerts
Replay Analysis
N972AKBOEING Boeing 737 MAX 9
→
08/12/2026
1h 36m
No alerts
Replay Analysis
N953AKBOEING Boeing 737 MAX 9
→
08/11/2026
23m
No alerts
Replay Analysis
N953AKBOEING Boeing 737 MAX 9
→
08/11/2026
3h 59m
No alerts
Replay Analysis
N705ALBOEING Boeing 737 MAX 9
→
08/10/2026
4h 1m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
08/09/2026
4h 1m
No alerts
Replay Analysis
N815AKBOEING Boeing 737 MAX 8
→
08/08/2026
4h 0m
No alerts
Replay Analysis
N586ASBOEING Boeing 737-800
→
08/07/2026
10m
No alerts
Replay Analysis
N586ASBOEING Boeing 737-800
→
08/07/2026
3h 43m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
08/06/2026
3h 42m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
08/05/2026
4h 1m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
08/04/2026
3h 57m
No alerts
Replay Analysis
N464ASBOEING Boeing 737-900
→
08/03/2026
3h 46m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
08/02/2026
20m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
08/02/2026
3h 49m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
08/01/2026
11m
No alerts
Replay Analysis
N277AKBOEING Boeing 737-900
→
07/31/2026
4h 18m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
07/30/2026
9m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
07/30/2026
3h 56m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window