SWA140 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Detroit Metropolitan Wayne County Airport (KDTW). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 36m. SkyMeter has observed 108 legs of this flight number via ADS-B.

✈
FLIGHTS
108
last 90 days
⏱
AVG DURATION
1h 36m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
19 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.9%
1 flagged

Routes flown

By count · last 90 days

10
KSTL → KDTW
22
avg 1h 17m · St Louis Lambert → Detroit Metropolitan Wayne County
KABQ → KLAX
14
avg 2h 4m · Albuquerque International Sunport → Los Angeles
KSMF → KLAS
11
avg 1h 17m · Sacramento → McCarran
KSEA → KSTL
7
avg 3h 34m · Seattle Tacoma → St Louis Lambert
KSJC → KSEA
6
avg 2h 44m · Norman Y. Mineta San Jose → Seattle Tacoma
KSTL → KOMA
6
avg 1h 2m · St Louis Lambert → Eppley Airfield
KDEN → KSTL
5
avg 1h 48m · Denver → St Louis Lambert
KMCO → KSTL
1
avg 2h 4m · Orlando → St Louis Lambert
KOKC → KMCO
1
avg 2h 46m · Will Rogers World → Orlando
0WI6 → KMDW
1
avg 23m · Simandl Field/Private → Chicago Midway

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
75
B738 BOEING Boeing 737-800
23
B38M BOEING Boeing 737 MAX 8
22

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 SWA140

30
N8612KBOEING Boeing 737-800
→
07/19/2026
3h 24m
No alerts
Replay Analysis
N8612KBOEING Boeing 737-800
→
07/19/2026
2h 20m
No alerts
Replay Analysis
N7874BBOEING Boeing 737-700
→
07/19/2026
56m
No alerts
Replay Analysis
N941WNBOEING Boeing 737-700
→
07/18/2026
2h 34m
No alerts
Replay Analysis
N964WNBOEING Boeing 737-700
→
07/17/2026
1h 40m
No alerts
Replay Analysis
N964WNBOEING Boeing 737-700
→
07/17/2026
21m
No alerts
Replay Analysis
N8973SBOEING Boeing 737 MAX 8
→
07/15/2026
1h 42m
No alerts
Replay Analysis
N8654BBOEING Boeing 737-800
→
07/14/2026
5m
No alerts
Replay Analysis
N8654BBOEING Boeing 737-800
→
07/14/2026
1h 9m
No alerts
Replay Analysis
N472WNBOEING Boeing 737-700
→
07/14/2026
2h 16m
No alerts
Replay Analysis
N1807UBOEING Boeing 737 MAX 8
→
07/12/2026
3h 38m
No alerts
Replay Analysis
N1807UBOEING Boeing 737 MAX 8
→
07/12/2026
2h 4m
No alerts
Replay Analysis
N215WNBOEING Boeing 737-700
→
07/12/2026
55m
No alerts
Replay Analysis
N7740ABOEING Boeing 737-700
→
07/11/2026
1h 41m
No alerts
Replay Analysis
N955WNBOEING Boeing 737-700
→
07/10/2026
1h 56m
No alerts
Replay Analysis
N8879QBOEING Boeing 737 MAX 8
→
07/08/2026
1h 11m
No alerts
Replay Analysis
N8687ABOEING Boeing 737-800
→
07/07/2026
1h 9m
No alerts
Replay Analysis
N429WNBOEING Boeing 737-700
→
07/07/2026
2h 29m
No alerts
Replay Analysis
N8644CBOEING Boeing 737-800
→
07/06/2026
20m
No alerts
Replay Analysis
N8644CBOEING Boeing 737-800
→
07/05/2026
3h 33m
No alerts
Replay Analysis
N8644CBOEING Boeing 737-800
→
07/05/2026
3h 54m
No alerts
Replay Analysis
N8644CBOEING Boeing 737-800
→
07/05/2026
4h 36m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/05/2026
23m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/04/2026
2h 15m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/04/2026
44m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/04/2026
1h 21m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/04/2026
2h 12m
No alerts
Replay Analysis
N291WNBOEING Boeing 737-700
→
07/04/2026
2h 45m
No alerts
Replay Analysis
N8656BBOEING Boeing 737-800
→
07/04/2026
1h 46m
No alerts
Replay Analysis
N570WNBOEING Boeing 737-700
→
07/03/2026
1h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window