ASA256 is operated by ALASKA AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and San Diego International Airport (KSAN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 4h 41m. SkyMeter has observed 94 legs of this flight number via ADS-B.

✈
FLIGHTS
94
last 90 days
⏱
AVG DURATION
4h 41m
tracked time
📅
SERVICE PERIOD
08/20/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KBOS → KSAN
31
avg 5h 58m · General Edward Lawrence Logan → San Diego
PANC → KPHX
18
avg 5h 21m · Ted Stevens Anchorage → Phoenix Sky Harbor
KSEA → PHLI
8
avg 5h 30m · Seattle Tacoma → Lihue
US-0568 → KSAN
1
avg 5h 56m · Tailwind Boston Seaplane Base → San Diego
US-0370 → KSAN
1
avg 6h 1m · Cape Air Seaplanes on Boston Harbor Seaplane Base → San Diego

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
51
B38M BOEING Boeing 737 MAX 8
36
B739 BOEING Boeing 737-900
19
B39M BOEING Boeing 737 MAX 9
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 ASA256

30
N537ASBOEING Boeing 737-800
→
07/19/2026
5h 33m
No alerts
Replay Analysis
N568ASBOEING Boeing 737-800
→
07/18/2026
5h 43m
No alerts
Replay Analysis
N592ASBOEING Boeing 737-800
→
07/17/2026
5h 46m
No alerts
Replay Analysis
N523ASBOEING Boeing 737-800
→
07/17/2026
5h 31m
No alerts
Replay Analysis
N536ASBOEING Boeing 737-800
→
07/15/2026
5h 36m
No alerts
Replay Analysis
N585ASBOEING Boeing 737-800
→
07/14/2026
5h 51m
No alerts
Replay Analysis
N587ASBOEING Boeing 737-800
→
07/13/2026
5h 51m
No alerts
Replay Analysis
N523ASBOEING Boeing 737-800
→
07/12/2026
5h 31m
No alerts
Replay Analysis
N524ASBOEING Boeing 737-800
→
07/11/2026
5h 23m
No alerts
Replay Analysis
N801AKBOEING Boeing 737 MAX 8
→
07/10/2026
6h 18m
No alerts
Replay Analysis
N849AKBOEING Boeing 737 MAX 8
→
07/09/2026
6h 0m
No alerts
Replay Analysis
N524ASBOEING Boeing 737-800
→
07/08/2026
5h 41m
No alerts
Replay Analysis
N588ASBOEING Boeing 737-800
→
07/07/2026
5h 41m
No alerts
Replay Analysis
N534ASBOEING Boeing 737-800
→
07/06/2026
5h 43m
No alerts
Replay Analysis
N823AKBOEING Boeing 737 MAX 8
→
07/05/2026
5h 53m
No alerts
Replay Analysis
N513ASBOEING Boeing 737-800
→
07/04/2026
6h 3m
No alerts
Replay Analysis
N536ASBOEING Boeing 737-800
→
07/03/2026
5h 58m
No alerts
Replay Analysis
N816AKBOEING Boeing 737 MAX 8
→
07/02/2026
6h 1m
No alerts
Replay Analysis
N589ASBOEING Boeing 737-800
→
07/01/2026
5h 59m
No alerts
Replay Analysis
N592ASBOEING Boeing 737-800
→
06/30/2026
6h 10m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
06/29/2026
6h 13m
No alerts
Replay Analysis
N579ASBOEING Boeing 737-800
→
06/28/2026
6h 11m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
06/27/2026
6h 15m
No alerts
Replay Analysis
N531ASBOEING Boeing 737-800
→
06/26/2026
6h 31m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
06/25/2026
6h 35m
No alerts
Replay Analysis
N804AKBOEING Boeing 737 MAX 8
→
06/24/2026
5h 59m
No alerts
Replay Analysis
N594ASBOEING Boeing 737-800
→
06/23/2026
6h 11m
No alerts
Replay Analysis
N523ASBOEING Boeing 737-800
→
06/22/2026
5h 51m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
06/21/2026
6h 4m
No alerts
Replay Analysis
N528ASBOEING Boeing 737-800
→
06/20/2026
5h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window