ASA378 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 59m. SkyMeter has observed 51 legs of this flight number via ADS-B.

✈
FLIGHTS
51
last 90 days
⏱
AVG DURATION
3h 59m
tracked time
📅
SERVICE PERIOD
04/03/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KSEA → KBWI
26
avg 4h 45m · Seattle Tacoma → Baltimore/Washington International Thurgood Marshall
KSEA → PANC
17
avg 3h 25m · Seattle Tacoma → Ted Stevens Anchorage

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
30
B39M BOEING Boeing 737 MAX 9
19
B738 BOEING Boeing 737-800
2

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 ASA378

30
N979AKBOEING Boeing 737 MAX 9
→
06/03/2026
1h 17m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
06/02/2026
3h 10m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
06/01/2026
3h 29m
No alerts
Replay Analysis
N270AKBOEING Boeing 737-900
→
05/31/2026
3h 34m
No alerts
Replay Analysis
N274AKBOEING Boeing 737-900
→
05/29/2026
3h 16m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
05/28/2026
3h 10m
No alerts
Replay Analysis
N215AKBOEING Boeing 737-900
→
05/27/2026
3h 28m
No alerts
Replay Analysis
N932AKBOEING Boeing 737 MAX 9
→
05/26/2026
3h 30m
No alerts
Replay Analysis
N729ALBOEING Boeing 737 MAX 9
→
05/25/2026
3h 33m
No alerts
Replay Analysis
N990AKBOEING Boeing 737 MAX 9
→
05/24/2026
3h 21m
No alerts
Replay Analysis
N280AKBOEING Boeing 737-900
→
05/23/2026
3h 30m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
05/21/2026
3h 25m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
05/20/2026
3h 41m
No alerts
Replay Analysis
N296AKBOEING Boeing 737-900
→
05/18/2026
3h 36m
No alerts
Replay Analysis
N403ASBOEING Boeing 737-900
→
05/17/2026
3h 32m
No alerts
Replay Analysis
N560ASBOEING Boeing 737-800
→
05/16/2026
3h 31m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
05/15/2026
3h 4m
No alerts
Replay Analysis
N557ASBOEING Boeing 737-800
→
05/14/2026
3h 17m
No alerts
Replay Analysis
N966AKBOEING Boeing 737 MAX 9
→
05/13/2026
3h 35m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
05/11/2026
4h 37m
No alerts
Replay Analysis
N942AKBOEING Boeing 737 MAX 9
→
05/10/2026
4h 39m
No alerts
Replay Analysis
N486ASBOEING Boeing 737-900
→
05/08/2026
2h 10m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
05/07/2026
3h 50m
No alerts
Replay Analysis
N403ASBOEING Boeing 737-900
→
05/04/2026
2h 3m
No alerts
Replay Analysis
N926AKBOEING Boeing 737 MAX 9
→
05/03/2026
4h 37m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
05/02/2026
4h 56m
No alerts
Replay Analysis
N462ASBOEING Boeing 737-900
→
05/01/2026
4h 44m
No alerts
Replay Analysis
N237AKBOEING Boeing 737-900
→
04/30/2026
4h 45m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
04/28/2026
4h 55m
No alerts
Replay Analysis
N985AKBOEING Boeing 737 MAX 9
→
04/27/2026
5h 0m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window