SWA397 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Chicago Midway International Airport (KMDW). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 19m. SkyMeter has observed 38 legs of this flight number via ADS-B.

✈
FLIGHTS
38
last 90 days
⏱
AVG DURATION
1h 19m
tracked time
📅
SERVICE PERIOD
04/12/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
8 / 3
city pairs · airframes
⚠
INCIDENT RATE
13.2%
5 flagged

Routes flown

By count · last 90 days

7
KSTL → KMDW
15
avg 1h 1m · St Louis Lambert → Chicago Midway
KPHX → KHOU
9
avg 2h 16m · Phoenix Sky Harbor → William P Hobby
KSTL → KMSY
7
avg 1h 32m · St Louis Lambert → Louis Armstrong New Orleans
KMDW → KSDF
1
avg 48m · Chicago Midway → Louisville Muhammad Ali
IL69 → KMDW
1
avg 8m · First Area Police Hdqtrs Heliport → Chicago Midway
MO92 → KMDW
1
avg 1h 1m · SSM Health Depaul Hospital-St. Louis Heliport → Chicago Midway
KSDF → KBNA
1
avg 36m · Louisville Muhammad Ali → Nashville

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
22
B737 BOEING Boeing 737-700
10
B738 BOEING Boeing 737-800
6

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
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 SWA397

30
N8839QBOEING Boeing 737 MAX 8
→
06/03/2026
2h 50m
No alerts
Replay Analysis
N8984LBOEING Boeing 737-800
→
06/02/2026
2h 8m
No alerts
Replay Analysis
N8989LBOEING Boeing 737 MAX 8
→
06/01/2026
42m
No alerts
Replay Analysis
N264LVBOEING Boeing 737-700
→
05/31/2026
1h 40m
No alerts
Replay Analysis
N264LVBOEING Boeing 737-700
→
05/31/2026
5m
No alerts
Replay Analysis
N8851QBOEING Boeing 737 MAX 8
→
05/29/2026
56m
△ Unstable
Replay Analysis
N8813QBOEING Boeing 737 MAX 8
→
05/28/2026
55m
No alerts
Replay Analysis
N8813QBOEING Boeing 737 MAX 8
→
05/28/2026
9m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
05/27/2026
2h 17m
No alerts
Replay Analysis
N8931LBOEING Boeing 737 MAX 8
→
05/26/2026
2h 23m
No alerts
Replay Analysis
N1807UBOEING Boeing 737 MAX 8
→
05/25/2026
53m
△ Unstable
Replay Analysis
N7821LBOEING Boeing 737-700
→
05/24/2026
36m
No alerts
Replay Analysis
N7821LBOEING Boeing 737-700
→
05/24/2026
47m
No alerts
Replay Analysis
N8879QBOEING Boeing 737 MAX 8
→
05/21/2026
45m
No alerts
Replay Analysis
N8574ZBOEING Boeing 737-800
→
05/18/2026
56m
No alerts
Replay Analysis
N487WNBOEING Boeing 737-700
→
05/17/2026
1h 32m
No alerts
Replay Analysis
N8955QBOEING Boeing 737 MAX 8
→
05/14/2026
49m
No alerts
Replay Analysis
N8867QBOEING Boeing 737 MAX 8
→
05/13/2026
2h 9m
△ Unstable
Replay Analysis
N8836QBOEING Boeing 737 MAX 8
→
05/11/2026
1h 19m
No alerts
Replay Analysis
N268WNBOEING Boeing 737-700
→
05/10/2026
1h 26m
No alerts
Replay Analysis
N8993QBOEING Boeing 737 MAX 8
→
05/04/2026
7m
No alerts
Replay Analysis
N252WNBOEING Boeing 737-700
→
05/03/2026
1h 19m
No alerts
Replay Analysis
N8315CBOEING Boeing 737-800
→
05/01/2026
48m
No alerts
Replay Analysis
N8910QBOEING Boeing 737 MAX 8
→
04/30/2026
49m
No alerts
Replay Analysis
N8530WBOEING Boeing 737-800
→
04/28/2026
1h 54m
△ Unstable
Replay Analysis
N8748QBOEING Boeing 737 MAX 8
→
04/27/2026
2h 1m
No alerts
Replay Analysis
N959WNBOEING Boeing 737-700
→
04/26/2026
1h 41m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
04/24/2026
58m
No alerts
Replay Analysis
N8908QBOEING Boeing 737 MAX 8
→
04/23/2026
49m
No alerts
Replay Analysis
N8548PBOEING Boeing 737-800
→
04/21/2026
2h 14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window