SWA3431 is operated by SOUTHWEST AIRLINES CO between Miami International Airport (KMIA) and St Louis Lambert International Airport (KSTL). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 11m. SkyMeter has observed 34 legs of this flight number via ADS-B.

✈
FLIGHTS
34
last 90 days
⏱
AVG DURATION
2h 11m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/01/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KMIA → KSTL
20
avg 2h 31m · Miami → St Louis Lambert
FL94 → KSTL
1
avg 2h 27m · Florida Power & Light County Heliport → St Louis Lambert
US-0821 → KSTL
1
avg 2h 31m · University of Miami Hospital Heliport → St Louis Lambert

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
46
B738 BOEING Boeing 737-800
6
B38M BOEING Boeing 737 MAX 8
5

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 SWA3431

30
N7887ABOEING Boeing 737-700
→
06/02/2026
27m
No alerts
Replay Analysis
N7887ABOEING Boeing 737-700
→
06/01/2026
1h 56m
No alerts
Replay Analysis
N7887ABOEING Boeing 737-700
→
06/01/2026
2h 24m
No alerts
Replay Analysis
N8663ABOEING Boeing 737-800
→
05/31/2026
2h 26m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
05/29/2026
1h 51m
No alerts
Replay Analysis
N299WNBOEING Boeing 737-700
→
05/29/2026
2h 1m
No alerts
Replay Analysis
N299WNBOEING Boeing 737-700
→
05/28/2026
21m
No alerts
Replay Analysis
N299WNBOEING Boeing 737-700
→
05/28/2026
2h 23m
No alerts
Replay Analysis
N455WNBOEING Boeing 737-700
→
05/26/2026
2h 3m
No alerts
Replay Analysis
N455WNBOEING Boeing 737-700
→
05/25/2026
14m
No alerts
Replay Analysis
N455WNBOEING Boeing 737-700
→
05/25/2026
2h 17m
No alerts
Replay Analysis
N8303RBOEING Boeing 737-800
→
05/23/2026
2h 26m
No alerts
Replay Analysis
N939WNBOEING Boeing 737-700
→
05/23/2026
1h 24m
No alerts
Replay Analysis
N939WNBOEING Boeing 737-700
→
05/22/2026
46m
No alerts
Replay Analysis
N245WNBOEING Boeing 737-700
→
05/21/2026
1h 58m
No alerts
Replay Analysis
N966WNBOEING Boeing 737-700
→
05/18/2026
2h 11m
No alerts
Replay Analysis
N8714QBOEING Boeing 737 MAX 8
→
05/17/2026
2h 30m
No alerts
Replay Analysis
N8785LBOEING Boeing 737 MAX 8
→
05/16/2026
2h 25m
No alerts
Replay Analysis
N489WNBOEING Boeing 737-700
→
05/16/2026
12m
No alerts
Replay Analysis
N489WNBOEING Boeing 737-700
→
05/15/2026
2h 19m
No alerts
Replay Analysis
N489WNBOEING Boeing 737-700
→
05/15/2026
2h 31m
No alerts
Replay Analysis
N7869ABOEING Boeing 737-700
→
05/15/2026
35m
No alerts
Replay Analysis
N7869ABOEING Boeing 737-700
→
05/14/2026
1h 54m
No alerts
Replay Analysis
N7869ABOEING Boeing 737-700
→
05/14/2026
2h 30m
No alerts
Replay Analysis
N7826BBOEING Boeing 737-700
→
05/11/2026
2h 16m
No alerts
Replay Analysis
N8978GBOEING Boeing 737 MAX 8
→
05/10/2026
2h 26m
No alerts
Replay Analysis
N959WNBOEING Boeing 737-700
→
05/08/2026
2h 15m
No alerts
Replay Analysis
N464WNBOEING Boeing 737-700
→
05/08/2026
58m
No alerts
Replay Analysis
N464WNBOEING Boeing 737-700
→
05/07/2026
1h 35m
No alerts
Replay Analysis
N464WNBOEING Boeing 737-700
→
05/07/2026
2h 33m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window