Flight Status & Tracker

ASA638

ALASKA AIRLINES INC · SEA → SMF · Last tracked Oct 10, 2026

ASA638 is a flight number operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Sacramento International Airport (KSMF). SkyMeter last tracked ASA638 on October 10, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 10m. SkyMeter has observed 71 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
71
last 90 days
⏱
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
10/6/2025 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSEA → KSMF
34
avg 1h 43m · Seattle Tacoma → Sacramento
KDFW → KPDX
20
avg 3h 42m · Dallas Fort Worth → Portland
KSEA → KTUS
1
avg 2h 59m · Seattle Tacoma → Tucson International Airport / Morris Air National Guard Base
WA63 → KPDX
1
avg 9m · Pleasant Farm → Portland
KSEA → KRYN
1
avg 3h 0m · Seattle Tacoma → Ryan Field

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
39
B39M BOEING Boeing 737 MAX 9
27
B738 BOEING Boeing 737-800
7
B38M BOEING Boeing 737 MAX 8
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 ASA638

30
N589ASBOEING Boeing 737-800
→
10/10/2026
3h 0m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
10/9/2026
2h 58m
No alerts
Replay Analysis
N926AKBOEING Boeing 737 MAX 9
→
10/6/2026
2h 38m
No alerts
Replay Analysis
N468ASBOEING Boeing 737-900
→
10/5/2026
2h 49m
No alerts
Replay Analysis
N492ASBOEING Boeing 737-900
→
10/2/2026
3h 57m
No alerts
Replay Analysis
N492ASBOEING Boeing 737-900
→
10/2/2026
6m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
10/1/2026
3h 36m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
10/1/2026
5m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
9/30/2026
3h 41m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
9/30/2026
6m
No alerts
Replay Analysis
N481ASBOEING Boeing 737-900
→
9/29/2026
3h 39m
No alerts
Replay Analysis
N481ASBOEING Boeing 737-900
→
9/29/2026
13m
No alerts
Replay Analysis
N549ASBOEING Boeing 737-800
→
9/28/2026
3h 48m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
9/28/2026
40m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
9/26/2026
3h 39m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
9/26/2026
9m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
9/25/2026
3h 29m
No alerts
Replay Analysis
N272AKBOEING Boeing 737-900
→
9/24/2026
3h 40m
No alerts
Replay Analysis
N478ASBOEING Boeing 737-900
→
9/23/2026
3h 37m
No alerts
Replay Analysis
N468ASBOEING Boeing 737-900
→
9/22/2026
3h 42m
No alerts
Replay Analysis
N525ASBOEING Boeing 737-800
→
9/21/2026
3h 36m
No alerts
Replay Analysis
N815AKBOEING Boeing 737 MAX 8
→
9/20/2026
3h 50m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
9/19/2026
3h 37m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
9/19/2026
8m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
9/18/2026
3h 21m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
9/18/2026
7m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
9/18/2026
32m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
9/17/2026
2h 55m
No alerts
Replay Analysis
N253AKBOEING Boeing 737-900
→
9/17/2026
3h 27m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
9/16/2026
3h 32m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window