Flight Status & Tracker

ASA4

ALASKA AIRLINES INC · SEA → DCA · Last tracked Oct 18, 2026

ASA4 is a flight number operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Ronald Reagan Washington National Airport (KDCA). SkyMeter last tracked ASA4 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 4h 42m. SkyMeter has observed 76 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
76
last 90 days
⏱
AVG DURATION
4h 42m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
6 / 3
city pairs · airframes
⚠
INCIDENT RATE
6.6%
5 flagged

Routes flown

By count · last 90 days

3
66
avg 4h 44m · Seattle Tacoma → Ronald Reagan Washington National
1
avg 4h 36m · Seattle Tacoma → Joint Base Andrews
1
avg 5h 14m · Seattle Tacoma → Washington Dulles

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
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 ASA4

30
10/7/2026
4h 44m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window