ASA647 is operated by UMB BANK NA TRUSTEE between Seattle Tacoma International Airport (KSEA) and St Louis Lambert International Airport (KSTL). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 50m. SkyMeter has observed 166 legs of this flight number via ADS-B.

✈
FLIGHTS
166
last 90 days
⏱
AVG DURATION
3h 50m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

5
KSEA → KSTL
78
avg 3h 35m · Seattle Tacoma → St Louis Lambert
KSTL → KSEA
37
avg 4h 9m · St Louis Lambert → Seattle Tacoma
KSTL → KRNT
1
avg 4h 7m · St Louis Lambert → Renton
MU06 → KSTL
1
avg 7m · V.A. Medical Center Heliport → St Louis Lambert
KSEA → KS50
1
avg 3h 34m · Seattle Tacoma → Auburn

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
91
B39M BOEING Boeing 737 MAX 9
91
B738 BOEING Boeing 737-800
8
B38M BOEING Boeing 737 MAX 8
6

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 ASA647

30
N294AKBOEING Boeing 737-900
→
08/18/2026
3h 30m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
08/18/2026
4h 22m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
08/17/2026
3h 24m
No alerts
Replay Analysis
N813AKBOEING Boeing 737 MAX 8
→
08/17/2026
4h 26m
No alerts
Replay Analysis
N813AKBOEING Boeing 737 MAX 8
→
08/16/2026
3h 37m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
08/16/2026
4h 17m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
08/16/2026
52m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
08/15/2026
3h 3m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
08/15/2026
3h 55m
No alerts
Replay Analysis
N724ALBOEING Boeing 737 MAX 9
→
08/15/2026
4h 18m
No alerts
Replay Analysis
N724ALBOEING Boeing 737 MAX 9
→
08/14/2026
3h 41m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
08/14/2026
4h 1m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
08/14/2026
21m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
08/13/2026
3h 19m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
08/13/2026
3h 41m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
08/12/2026
4h 5m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
08/11/2026
3h 23m
No alerts
Replay Analysis
N264AKBOEING Boeing 737-900
→
08/11/2026
4h 4m
No alerts
Replay Analysis
N264AKBOEING Boeing 737-900
→
08/10/2026
3h 36m
No alerts
Replay Analysis
N982AKBOEING Boeing 737 MAX 9
→
08/10/2026
4h 10m
No alerts
Replay Analysis
N982AKBOEING Boeing 737 MAX 9
→
08/09/2026
3h 32m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
08/09/2026
3h 56m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
08/09/2026
35m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
08/08/2026
3h 13m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
08/08/2026
3h 49m
No alerts
Replay Analysis
N237AKBOEING Boeing 737-900
→
08/08/2026
4h 8m
No alerts
Replay Analysis
N237AKBOEING Boeing 737-900
→
08/07/2026
3h 36m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/07/2026
4h 0m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/07/2026
1h 5m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/06/2026
2h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window