SWA4451 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Ronald Reagan Washington National Airport (KDCA). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 9m. SkyMeter has observed 45 legs of this flight number via ADS-B.

✈
FLIGHTS
45
last 90 days
⏱
AVG DURATION
2h 9m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
24.4%
11 flagged

Routes flown

By count · last 90 days

2
KSTL → KDCA
27
avg 1h 53m · St Louis Lambert → Ronald Reagan Washington National
KSAN → KSTL
10
avg 3h 41m · San Diego → St Louis Lambert

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
36
B38M BOEING Boeing 737 MAX 8
8
B738 BOEING Boeing 737-800
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
11
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 SWA4451

30
N442WNBOEING Boeing 737-700
→
06/03/2026
2h 16m
No alerts
Replay Analysis
N442WNBOEING Boeing 737-700
→
06/03/2026
4h 16m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
06/02/2026
1h 49m
△ Unstable
Replay Analysis
N291WNBOEING Boeing 737-700
→
06/02/2026
3h 54m
No alerts
Replay Analysis
N437WNBOEING Boeing 737-700
→
06/01/2026
1h 33m
No alerts
Replay Analysis
N8803LBOEING Boeing 737 MAX 8
→
05/31/2026
1h 37m
△ Unstable
Replay Analysis
N486WNBOEING Boeing 737-700
→
05/29/2026
2h 0m
No alerts
Replay Analysis
N487WNBOEING Boeing 737-700
→
05/28/2026
1h 44m
No alerts
Replay Analysis
N487WNBOEING Boeing 737-700
→
05/28/2026
44m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
05/26/2026
1h 44m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
05/26/2026
4h 10m
No alerts
Replay Analysis
N210WNBOEING Boeing 737-700
→
05/25/2026
2h 0m
No alerts
Replay Analysis
N8547VBOEING Boeing 737-800
→
05/24/2026
1h 40m
No alerts
Replay Analysis
N7737EBOEING Boeing 737-700
→
05/23/2026
3h 52m
No alerts
Replay Analysis
N927WNBOEING Boeing 737-700
→
05/21/2026
2h 1m
No alerts
Replay Analysis
N927WNBOEING Boeing 737-700
→
05/21/2026
15m
No alerts
Replay Analysis
N454WNBOEING Boeing 737-700
→
05/18/2026
2h 26m
△ Unstable
Replay Analysis
N8802QBOEING Boeing 737 MAX 8
→
05/17/2026
1h 45m
△ Unstable
Replay Analysis
N964WNBOEING Boeing 737-700
→
05/16/2026
3h 42m
No alerts
Replay Analysis
N491WNBOEING Boeing 737-700
→
05/15/2026
1h 49m
No alerts
Replay Analysis
N491WNBOEING Boeing 737-700
→
05/15/2026
27m
No alerts
Replay Analysis
N268WNBOEING Boeing 737-700
→
05/14/2026
1h 40m
No alerts
Replay Analysis
N216WRBOEING Boeing 737-700
→
05/13/2026
1h 41m
No alerts
Replay Analysis
N216WRBOEING Boeing 737-700
→
05/13/2026
4h 1m
No alerts
Replay Analysis
N7736ABOEING Boeing 737-700
→
05/11/2026
2h 7m
△ Unstable
Replay Analysis
N8945QBOEING Boeing 737 MAX 8
→
05/10/2026
1h 29m
No alerts
Replay Analysis
N494WNBOEING Boeing 737-700
→
05/08/2026
17m
△ Unstable
Replay Analysis
N299WNBOEING Boeing 737-700
→
05/07/2026
1h 10m
No alerts
Replay Analysis
N284WNBOEING Boeing 737-700
→
05/04/2026
57m
No alerts
Replay Analysis
N8892SBOEING Boeing 737 MAX 8
→
05/03/2026
1h 38m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window