ASA523 is operated by BANK OF UTAH TRUSTEE between Seattle Tacoma International Airport (KSEA) and Norman Y. Mineta San Jose International Airport (KSJC). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 4m. SkyMeter has observed 43 legs of this flight number via ADS-B.

✈
FLIGHTS
43
last 90 days
⏱
AVG DURATION
2h 4m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
5 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSEA → KSJC
24
avg 2h 4m · Seattle Tacoma → Norman Y. Mineta San Jose
KSJC → KSEA
16
avg 2h 6m · Norman Y. Mineta San Jose → Seattle Tacoma
KSNA → KBOI
1
avg 1h 55m · John Wayne Airport-Orange County → Boise Air Terminal/Gowen Field

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
23
B39M BOEING Boeing 737 MAX 9
14
B38M BOEING Boeing 737 MAX 8
3
B738 BOEING Boeing 737-800
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 ASA523

30
N804AKBOEING Boeing 737 MAX 8
→
08/21/2026
1h 55m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
08/18/2026
1h 58m
No alerts
Replay Analysis
N720ALBOEING Boeing 737 MAX 9
→
08/17/2026
1h 59m
No alerts
Replay Analysis
N238AKBOEING Boeing 737-900
→
08/15/2026
2h 3m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
08/14/2026
1h 54m
No alerts
Replay Analysis
N929AKBOEING Boeing 737 MAX 9
→
08/11/2026
1h 59m
No alerts
Replay Analysis
N471ASBOEING Boeing 737-900
→
08/10/2026
1h 46m
No alerts
Replay Analysis
N428ASBOEING Boeing 737-900
→
08/08/2026
1h 56m
No alerts
Replay Analysis
N469ASBOEING Boeing 737-900
→
08/07/2026
1h 59m
No alerts
Replay Analysis
N961AKBOEING Boeing 737 MAX 9
→
08/06/2026
2h 3m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
08/04/2026
1h 59m
No alerts
Replay Analysis
N920AKBOEING Boeing 737 MAX 9
→
08/03/2026
2h 4m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
08/01/2026
1h 53m
No alerts
Replay Analysis
N956AKBOEING Boeing 737 MAX 9
→
07/31/2026
1h 59m
No alerts
Replay Analysis
N237AKBOEING Boeing 737-900
→
07/30/2026
2h 5m
No alerts
Replay Analysis
N948AKBOEING Boeing 737 MAX 9
→
07/28/2026
2h 26m
No alerts
Replay Analysis
N413ASBOEING Boeing 737-900
→
07/27/2026
2h 10m
No alerts
Replay Analysis
N491ASBOEING Boeing 737-900
→
07/25/2026
2h 7m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
07/24/2026
2h 13m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
07/23/2026
2h 4m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
07/21/2026
2h 0m
No alerts
Replay Analysis
N816AKBOEING Boeing 737 MAX 8
→
07/20/2026
2h 22m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
07/18/2026
2h 12m
No alerts
Replay Analysis
N947AKBOEING Boeing 737 MAX 9
→
07/17/2026
2h 13m
No alerts
Replay Analysis
N956AKBOEING Boeing 737 MAX 9
→
07/16/2026
2h 11m
No alerts
Replay Analysis
N723ALBOEING Boeing 737 MAX 9
→
07/14/2026
2h 11m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
06/10/2026
2h 12m
No alerts
Replay Analysis
N238AKBOEING Boeing 737-900
→
06/09/2026
2h 3m
No alerts
Replay Analysis
N270AKBOEING Boeing 737-900
→
06/08/2026
2h 4m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
06/07/2026
2h 12m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window