ASA304 is operated by ALASKA AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 6h 5m. SkyMeter has observed 63 legs of this flight number via ADS-B.

✈
FLIGHTS
63
last 90 days
⏱
AVG DURATION
6h 5m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/11/2026
first → last seen
🗺
ROUTES / TYPES
5 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KBOS → KSEA
54
avg 6h 20m · General Edward Lawrence Logan → Seattle Tacoma
US-0370 → KSEA
3
avg 6h 14m · Cape Air Seaplanes on Boston Harbor Seaplane Base → Seattle Tacoma
US-0568 → KSEA
1
avg 5h 28m · Tailwind Boston Seaplane Base → Seattle Tacoma

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
87
B39M BOEING Boeing 737 MAX 9
52
B738 BOEING Boeing 737-800
24
B38M BOEING Boeing 737 MAX 8
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 ASA304

30
N483ASBOEING Boeing 737-900
→
8/12/2026
4h 53m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
8/11/2026
6h 45m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
8/11/2026
1h 51m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
8/11/2026
4h 31m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
8/10/2026
6h 36m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
8/10/2026
2h 5m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
8/10/2026
5h 13m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
8/9/2026
6h 12m
No alerts
Replay Analysis
N285AKBOEING Boeing 737-900
→
8/9/2026
58m
No alerts
Replay Analysis
N274AKBOEING Boeing 737-900
→
8/9/2026
5h 47m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
8/8/2026
4h 54m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
8/7/2026
1h 36m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
8/7/2026
6h 32m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
8/6/2026
4h 6m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
8/5/2026
6h 14m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
8/5/2026
2h 7m
No alerts
Replay Analysis
N236AKBOEING Boeing 737-900
→
8/5/2026
5h 12m
No alerts
Replay Analysis
N236AKBOEING Boeing 737-900
→
8/4/2026
1h 59m
No alerts
Replay Analysis
N918AKBOEING Boeing 737 MAX 9
→
8/4/2026
6h 2m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
8/3/2026
5h 2m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
8/2/2026
1h 52m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
8/2/2026
6h 55m
No alerts
Replay Analysis
N520ASBOEING Boeing 737-800
→
8/2/2026
3h 35m
No alerts
Replay Analysis
N947AKBOEING Boeing 737 MAX 9
→
8/1/2026
4h 11m
No alerts
Replay Analysis
N947AKBOEING Boeing 737 MAX 9
→
7/31/2026
1h 43m
No alerts
Replay Analysis
N947AKBOEING Boeing 737 MAX 9
→
7/31/2026
5h 55m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
7/31/2026
4h 30m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
7/30/2026
2h 11m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
7/30/2026
6h 41m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
7/30/2026
6h 5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window