Flight Status & Tracker

ASA304

ALASKA AIRLINES INC · BOS → SEA · Last tracked Sep 26, 2026

ASA304 is a flight number operated by ALASKA AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Seattle Tacoma International Airport (KSEA). SkyMeter last tracked ASA304 on September 26, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 4h 46m. SkyMeter has observed 79 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
79
last 90 days
⏱
AVG DURATION
4h 46m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KBOS → KSEA
42
avg 6h 25m · General Edward Lawrence Logan → Seattle Tacoma
KSEA → KDEN
23
avg 2h 42m · Seattle Tacoma → Denver
US-0370 → KSEA
2
avg 6h 14m · Cape Air Seaplanes on Boston Harbor Seaplane Base → Seattle Tacoma
2CO9 → KDEN
1
avg 48m · Lands End Heliport → Denver
KSEA → KCOS
1
avg 3h 39m · Seattle Tacoma → City of Colorado Springs
KCOS → KDEN
1
avg 36m · City of Colorado Springs → Denver
KSLC → KDEN
1
avg 1h 24m · Salt Lake City → Denver

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
80
B39M BOEING Boeing 737 MAX 9
49
B738 BOEING Boeing 737-800
23
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
N519ASBOEING Boeing 737-800
→
9/26/2026
1h 23m
No alerts
Replay Analysis
N729ALBOEING Boeing 737 MAX 9
→
9/24/2026
2h 56m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
9/23/2026
2h 26m
No alerts
Replay Analysis
N297AKBOEING Boeing 737-900
→
9/22/2026
2h 34m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
9/21/2026
2h 41m
No alerts
Replay Analysis
N215AKBOEING Boeing 737-900
→
9/20/2026
2h 42m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
9/19/2026
35m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
9/18/2026
3h 39m
No alerts
Replay Analysis
N990AKBOEING Boeing 737 MAX 9
→
9/17/2026
2h 42m
No alerts
Replay Analysis
N722ALBOEING Boeing 737 MAX 9
→
9/16/2026
2h 30m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
9/15/2026
2h 57m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
9/14/2026
2h 29m
No alerts
Replay Analysis
N913AKBOEING Boeing 737 MAX 9
→
9/11/2026
2h 16m
No alerts
Replay Analysis
N929AKBOEING Boeing 737 MAX 9
→
9/10/2026
2h 35m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
9/8/2026
2h 39m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
9/4/2026
2h 30m
No alerts
Replay Analysis
N956AKBOEING Boeing 737 MAX 9
→
9/2/2026
2h 46m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
9/1/2026
2h 55m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
8/31/2026
2h 54m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
8/30/2026
3h 21m
No alerts
Replay Analysis
N564ASBOEING Boeing 737-800
→
8/28/2026
2h 29m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
8/27/2026
2h 36m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
8/26/2026
2h 51m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
8/25/2026
2h 25m
No alerts
Replay Analysis
N712ALBOEING Boeing 737 MAX 9
→
8/24/2026
3h 1m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
8/23/2026
2h 55m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/22/2026
48m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/21/2026
3h 24m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
8/20/2026
2h 44m
No alerts
Replay Analysis
N973AKBOEING Boeing 737 MAX 9
→
8/19/2026
2h 35m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window