ASA373 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Salt Lake City International Airport (KSLC). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 7m. SkyMeter has observed 74 legs of this flight number via ADS-B.

✈
FLIGHTS
74
last 90 days
⏱
AVG DURATION
3h 7m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSEA → KSLC
31
avg 1h 49m · Seattle Tacoma → Salt Lake City
KEWR → KSEA
27
avg 5h 31m · Newark Liberty → Seattle Tacoma
WA85 → KSLC
2
avg 1h 37m · Weyerhaeuser Heliport → Salt Lake City
WN93 → KSLC
1
avg 1h 34m · Park 90 Heliport → Salt Lake City
2S1 → KSLC
1
avg 1h 43m · Vashon → Salt Lake City

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
30
B39M BOEING Boeing 737 MAX 9
28
B738 BOEING Boeing 737-800
12
B737 BOEING Boeing 737-700
7
B38M BOEING Boeing 737 MAX 8
3

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 ASA373

30
N495ASBOEING Boeing 737-900
→
07/19/2026
19m
No alerts
Replay Analysis
N533ASBOEING Boeing 737-800
→
07/19/2026
1h 49m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
07/18/2026
2h 0m
No alerts
Replay Analysis
N838AKBOEING Boeing 737 MAX 8
→
07/17/2026
2h 7m
No alerts
Replay Analysis
N644ASBOEING Boeing 737-700
→
07/16/2026
1h 54m
No alerts
Replay Analysis
N974AKBOEING Boeing 737 MAX 9
→
07/15/2026
2h 7m
No alerts
Replay Analysis
N474ASBOEING Boeing 737-900
→
07/14/2026
8m
No alerts
Replay Analysis
N474ASBOEING Boeing 737-900
→
07/14/2026
2h 1m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
07/13/2026
1h 48m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
07/12/2026
2h 0m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
07/12/2026
11m
No alerts
Replay Analysis
N251AKBOEING Boeing 737-900
→
07/12/2026
1h 52m
No alerts
Replay Analysis
N296AKBOEING Boeing 737-900
→
07/11/2026
10m
No alerts
Replay Analysis
N296AKBOEING Boeing 737-900
→
07/11/2026
1h 42m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
07/10/2026
1h 36m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
07/09/2026
9m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
07/09/2026
1h 45m
No alerts
Replay Analysis
N609ASBOEING Boeing 737-700
→
07/09/2026
1h 37m
No alerts
Replay Analysis
N913AKBOEING Boeing 737 MAX 9
→
07/08/2026
2h 0m
No alerts
Replay Analysis
N525ASBOEING Boeing 737-800
→
07/07/2026
1h 54m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
07/06/2026
1h 35m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
07/05/2026
17m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
07/05/2026
1h 53m
No alerts
Replay Analysis
N708ALBOEING Boeing 737 MAX 9
→
07/04/2026
1h 43m
No alerts
Replay Analysis
N487ASBOEING Boeing 737-900
→
07/03/2026
11m
No alerts
Replay Analysis
N487ASBOEING Boeing 737-900
→
07/03/2026
1h 40m
No alerts
Replay Analysis
N976AKBOEING Boeing 737 MAX 9
→
07/02/2026
1h 34m
No alerts
Replay Analysis
N976AKBOEING Boeing 737 MAX 9
→
07/01/2026
12m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
07/01/2026
1h 54m
No alerts
Replay Analysis
N403ASBOEING Boeing 737-900
→
06/30/2026
1h 48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window