SWA3981

UMB BANK NA TRUSTEE · STL → SEA

SWA3981 is operated by UMB BANK NA TRUSTEE between St Louis Lambert International Airport (KSTL) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 3h 19m. SkyMeter has observed 93 legs of this flight number via ADS-B.

✈
FLIGHTS
93
last 90 days
⏱
AVG DURATION
3h 19m
tracked time
📅
SERVICE PERIOD
10/03/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
12 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

6
KSTL → KSEA
25
avg 3h 59m · St Louis Lambert → Seattle Tacoma
KMDW → KLAS
19
avg 3h 30m · Chicago Midway → McCarran
KSEA → KSAN
7
avg 2h 34m · Seattle Tacoma → San Diego
KSTL → KSAN
5
avg 7h 44m · St Louis Lambert → San Diego
KMCO → KDTW
5
avg 2h 25m · Orlando → Detroit Metropolitan Wayne County
KCPS → KSEA
1
avg 3h 40m · St Louis Downtown → Seattle Tacoma

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
67
B738 BOEING Boeing 737-800
35
B737 BOEING Boeing 737-700
23

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 SWA3981

30
N909WNBOEING Boeing 737-700
→
07/19/2026
3h 54m
No alerts
Replay Analysis
N8863QBOEING Boeing 737 MAX 8
→
07/18/2026
4h 8m
No alerts
Replay Analysis
N8874QBOEING Boeing 737 MAX 8
→
07/17/2026
3h 39m
No alerts
Replay Analysis
N8629ABOEING Boeing 737-800
→
07/16/2026
3h 49m
No alerts
Replay Analysis
N8629ABOEING Boeing 737-800
→
07/16/2026
5m
No alerts
Replay Analysis
N8853QBOEING Boeing 737 MAX 8
→
07/16/2026
1h 11m
No alerts
Replay Analysis
N8853QBOEING Boeing 737 MAX 8
→
07/15/2026
2h 47m
No alerts
Replay Analysis
N8853QBOEING Boeing 737 MAX 8
→
07/15/2026
1h 36m
No alerts
Replay Analysis
N8853QBOEING Boeing 737 MAX 8
→
07/15/2026
3h 36m
No alerts
Replay Analysis
N8969SBOEING Boeing 737 MAX 8
→
07/15/2026
1h 2m
No alerts
Replay Analysis
N8969SBOEING Boeing 737 MAX 8
→
07/14/2026
1h 39m
No alerts
Replay Analysis
N8969SBOEING Boeing 737 MAX 8
→
07/14/2026
7h 42m
No alerts
Replay Analysis
N8969SBOEING Boeing 737 MAX 8
→
07/14/2026
3h 38m
No alerts
Replay Analysis
N8953QBOEING Boeing 737 MAX 8
→
07/13/2026
3h 37m
No alerts
Replay Analysis
N951WNBOEING Boeing 737-700
→
07/12/2026
4h 4m
No alerts
Replay Analysis
N8976KBOEING Boeing 737 MAX 8
→
07/11/2026
3h 7m
No alerts
Replay Analysis
N8614MBOEING Boeing 737-800
→
07/10/2026
3h 59m
No alerts
Replay Analysis
N8614MBOEING Boeing 737-800
→
07/10/2026
27m
No alerts
Replay Analysis
N8813QBOEING Boeing 737 MAX 8
→
07/09/2026
3h 49m
No alerts
Replay Analysis
N8813QBOEING Boeing 737 MAX 8
→
07/09/2026
25m
No alerts
Replay Analysis
N8520QBOEING Boeing 737-800
→
07/09/2026
56m
No alerts
Replay Analysis
N8520QBOEING Boeing 737-800
→
07/08/2026
2h 0m
No alerts
Replay Analysis
N8520QBOEING Boeing 737-800
→
07/08/2026
7h 49m
No alerts
Replay Analysis
N8520QBOEING Boeing 737-800
→
07/08/2026
3h 51m
No alerts
Replay Analysis
N8723QBOEING Boeing 737 MAX 8
→
07/08/2026
1h 1m
No alerts
Replay Analysis
N8723QBOEING Boeing 737 MAX 8
→
07/07/2026
1h 41m
No alerts
Replay Analysis
N8723QBOEING Boeing 737 MAX 8
→
07/07/2026
2h 43m
No alerts
Replay Analysis
N8723QBOEING Boeing 737 MAX 8
→
07/07/2026
3h 39m
No alerts
Replay Analysis
N8800LBOEING Boeing 737 MAX 8
→
07/06/2026
3h 45m
No alerts
Replay Analysis
N7825ABOEING Boeing 737-700
→
07/05/2026
3h 50m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window