SWA4120 is operated by SOUTHWEST AIRLINES CO between Southwest Florida International Airport (KRSW) and Chicago Midway International Airport (KMDW). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 9m. SkyMeter has observed 91 legs of this flight number via ADS-B.

✈
FLIGHTS
91
last 90 days
⏱
AVG DURATION
2h 9m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
14 / 2
city pairs · airframes
⚠
INCIDENT RATE
2.2%
2 flagged

Routes flown

By count · last 90 days

9
KRSW → KMDW
42
avg 2h 36m · Southwest Florida → Chicago Midway
KMDW → KLGA
30
avg 1h 45m · Chicago Midway → La Guardia
KDAL → KSTL
5
avg 1h 37m · Dallas Love Field → St Louis Lambert
US-2513 → KMDW
2
avg 2h 34m · Winkler Helistop → Chicago Midway
KDTW → KMDW
1
avg 1h 33m · Detroit Metropolitan Wayne County → Chicago Midway
KMDW → KBWI
1
avg 2h 26m · Chicago Midway → Baltimore/Washington International Thurgood Marshall
IN78 → KMDW
1
avg 10m · Police Heliport → Chicago Midway
KBWI → KLGA
1
avg 1h 15m · Baltimore/Washington International Thurgood Marshall → La Guardia
KRSW → KLGA
1
avg 3h 2m · Southwest Florida → La Guardia

Aircraft types

Equipment used on this number

2
B38M BOEING Boeing 737 MAX 8
118
B738 BOEING Boeing 737-800
44

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 SWA4120

30
N8613KBOEING Boeing 737-800
→
8/14/2026
1h 3m
No alerts
Replay Analysis
N8613KBOEING Boeing 737-800
→
8/13/2026
1h 32m
No alerts
Replay Analysis
N8613KBOEING Boeing 737-800
→
8/13/2026
28m
No alerts
Replay Analysis
N8993QBOEING Boeing 737 MAX 8
→
8/11/2026
1h 49m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
8/9/2026
51m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
8/8/2026
52m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
8/8/2026
1h 43m
No alerts
Replay Analysis
N8630BBOEING Boeing 737-800
→
8/8/2026
1h 31m
No alerts
Replay Analysis
N8319FBOEING Boeing 737-800
→
8/7/2026
1h 32m
No alerts
Replay Analysis
N8917QBOEING Boeing 737 MAX 8
→
8/4/2026
1h 45m
△ Low approach-stability score
Replay Analysis
N8917QBOEING Boeing 737 MAX 8
→
8/4/2026
38m
No alerts
Replay Analysis
N8917QBOEING Boeing 737 MAX 8
→
8/3/2026
2h 32m
No alerts
Replay Analysis
N8917QBOEING Boeing 737 MAX 8
→
8/3/2026
1h 53m
No alerts
Replay Analysis
N8690ABOEING Boeing 737-800
→
8/3/2026
1h 39m
No alerts
Replay Analysis
N8902QBOEING Boeing 737 MAX 8
→
8/1/2026
2h 39m
No alerts
Replay Analysis
N8831LBOEING Boeing 737 MAX 8
→
8/1/2026
1h 44m
No alerts
Replay Analysis
N8831LBOEING Boeing 737 MAX 8
→
8/1/2026
47m
No alerts
Replay Analysis
N8831LBOEING Boeing 737 MAX 8
→
7/31/2026
1h 37m
No alerts
Replay Analysis
N8831LBOEING Boeing 737 MAX 8
→
7/31/2026
2h 25m
No alerts
Replay Analysis
N8310CBOEING Boeing 737-800
→
7/31/2026
1h 40m
No alerts
Replay Analysis
N8310CBOEING Boeing 737-800
→
7/31/2026
15m
No alerts
Replay Analysis
N8310CBOEING Boeing 737-800
→
7/30/2026
2h 43m
No alerts
Replay Analysis
N8310CBOEING Boeing 737-800
→
7/30/2026
2h 27m
No alerts
Replay Analysis
N8900LBOEING Boeing 737 MAX 8
→
7/30/2026
2h 1m
No alerts
Replay Analysis
N8900LBOEING Boeing 737 MAX 8
→
7/29/2026
2h 56m
No alerts
Replay Analysis
N8900LBOEING Boeing 737 MAX 8
→
7/29/2026
55m
No alerts
Replay Analysis
N8896LBOEING Boeing 737 MAX 8
→
7/29/2026
1h 18m
No alerts
Replay Analysis
N8896LBOEING Boeing 737 MAX 8
→
7/28/2026
2h 42m
No alerts
Replay Analysis
N8896LBOEING Boeing 737 MAX 8
→
7/28/2026
1h 23m
No alerts
Replay Analysis
N8656BBOEING Boeing 737-800
→
7/28/2026
1h 47m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window