ASA428 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Boise Air Terminal/Gowen Field (KBOI). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 25m. SkyMeter has observed 19 legs of this flight number via ADS-B.

FLIGHTS
19
last 90 days
AVG DURATION
1h 25m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/15/2026
first → last seen
🗺
ROUTES / TYPES
2 / 3
city pairs · airframes
INCIDENT RATE
5.3%
1 flagged

Routes flown

By count · last 90 days

1
18
avg 1h 18m · Seattle Tacoma → Boise Air Terminal/Gowen Field

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 ASA428

30
4/20/2026
3h 13m
↘ Diverted (inferred)
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window