SWA400 is operated by SOUTHWEST AIRLINES CO between Austin Bergstrom International Airport (KAUS) and Chicago Midway International Airport (KMDW). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 3m. SkyMeter has observed 52 legs of this flight number via ADS-B.

✈
FLIGHTS
52
last 90 days
⏱
AVG DURATION
2h 3m
tracked time
📅
SERVICE PERIOD
04/09/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
2 / 3
city pairs · airframes
⚠
INCIDENT RATE
7.7%
4 flagged

Routes flown

By count · last 90 days

1
KAUS → KMDW
44
avg 2h 22m · Austin Bergstrom → Chicago Midway

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
25
B38M BOEING Boeing 737 MAX 8
21
B738 BOEING Boeing 737-800
8

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
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 SWA400

30
N8675ABOEING Boeing 737-800
→
06/03/2026
2h 15m
No alerts
Replay Analysis
N8675ABOEING Boeing 737-800
→
06/03/2026
13m
No alerts
Replay Analysis
N8569ZBOEING Boeing 737-800
→
06/02/2026
2h 19m
No alerts
Replay Analysis
N7715EBOEING Boeing 737-700
→
06/01/2026
2h 20m
No alerts
Replay Analysis
N8637ABOEING Boeing 737-800
→
05/31/2026
2h 9m
No alerts
Replay Analysis
N257WNBOEING Boeing 737-700
→
05/29/2026
2h 10m
No alerts
Replay Analysis
N7738ABOEING Boeing 737-700
→
05/28/2026
2h 12m
No alerts
Replay Analysis
N8979LBOEING Boeing 737 MAX 8
→
05/26/2026
2h 9m
No alerts
Replay Analysis
N912WNBOEING Boeing 737-700
→
05/25/2026
2h 35m
No alerts
Replay Analysis
N8314LBOEING Boeing 737-800
→
05/24/2026
2h 17m
No alerts
Replay Analysis
N8314LBOEING Boeing 737-800
→
05/24/2026
8m
No alerts
Replay Analysis
N8834LBOEING Boeing 737 MAX 8
→
05/23/2026
2h 1m
No alerts
Replay Analysis
N8882QBOEING Boeing 737 MAX 8
→
05/21/2026
1h 58m
No alerts
Replay Analysis
N8976KBOEING Boeing 737 MAX 8
→
05/20/2026
2h 11m
No alerts
Replay Analysis
N435WNBOEING Boeing 737-700
→
05/18/2026
2h 39m
△ Unstable
Replay Analysis
N8661ABOEING Boeing 737-800
→
05/17/2026
2h 21m
No alerts
Replay Analysis
N8997QBOEING Boeing 737 MAX 8
→
05/16/2026
2h 28m
No alerts
Replay Analysis
N7835ABOEING Boeing 737-700
→
05/15/2026
2h 33m
No alerts
Replay Analysis
N7835ABOEING Boeing 737-700
→
05/15/2026
43m
No alerts
Replay Analysis
N207WNBOEING Boeing 737-700
→
05/14/2026
2h 20m
No alerts
Replay Analysis
N8850QBOEING Boeing 737 MAX 8
→
05/13/2026
2h 23m
No alerts
Replay Analysis
N950WNBOEING Boeing 737-700
→
05/11/2026
2h 20m
No alerts
Replay Analysis
N8684FBOEING Boeing 737-800
→
05/10/2026
2h 33m
No alerts
Replay Analysis
N463WNBOEING Boeing 737-700
→
05/08/2026
2h 3m
No alerts
Replay Analysis
N7868KBOEING Boeing 737-700
→
05/07/2026
2h 26m
No alerts
Replay Analysis
N943WNBOEING Boeing 737-700
→
05/04/2026
2h 35m
△ Unstable
Replay Analysis
N8803LBOEING Boeing 737 MAX 8
→
05/02/2026
2h 28m
No alerts
Replay Analysis
N8803LBOEING Boeing 737 MAX 8
→
05/02/2026
11m
No alerts
Replay Analysis
N7832ABOEING Boeing 737-700
→
05/01/2026
2h 10m
No alerts
Replay Analysis
N296WNBOEING Boeing 737-700
→
04/30/2026
3h 20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window