ASA525 is operated by ALASKA AIRLINES INC between Denver International Airport (KDEN) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 19m. SkyMeter has observed 22 legs of this flight number via ADS-B.

FLIGHTS
22
last 90 days
AVG DURATION
2h 19m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
3 / 4
city pairs · airframes
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
15
avg 2h 44m · Denver → Seattle Tacoma
6
avg 1h 36m · San Francisco → Portland

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 24 operations of ASA525

24
06/02/2026
1h 33m
No alerts
06/01/2026
1h 23m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window