SWA4021 is operated by SOUTHWEST AIRLINES CO between Dallas Love Field (KDAL) and La Guardia Airport (KLGA). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 18m. SkyMeter has observed 80 legs of this flight number via ADS-B.

✈
FLIGHTS
80
last 90 days
⏱
AVG DURATION
2h 18m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/23/2026
first → last seen
🗺
ROUTES / TYPES
20 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KDAL → KLGA
17
avg 3h 25m · Dallas Love Field → La Guardia
KDEN → KHOU
16
avg 2h 15m · Denver → William P Hobby
KDEN → KMKE
7
avg 2h 14m · Denver → General Mitchell
KFLL → KBNA
6
avg 2h 21m · Fort Lauderdale Hollywood → Nashville
KRNO → KPHX
4
avg 1h 54m · Reno Tahoe → Phoenix Sky Harbor
KBHM → KMDW
2
avg 1h 23m · Birmingham-Shuttlesworth → Chicago Midway
KDEN → KBHM
2
avg 2h 20m · Denver → Birmingham-Shuttlesworth
KDAL → KMCI
2
avg 1h 10m · Dallas Love Field → Kansas City
KDAL → KBWI
1
avg 3h 46m · Dallas Love Field → Baltimore/Washington International Thurgood Marshall
KBWI → KLGA
1
avg 1h 22m · Baltimore/Washington International Thurgood Marshall → La Guardia

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
72
B38M BOEING Boeing 737 MAX 8
41
B738 BOEING Boeing 737-800
15

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 SWA4021

30
N7823ABOEING Boeing 737-700
→
08/23/2026
1h 25m
No alerts
Replay Analysis
N7823ABOEING Boeing 737-700
→
08/23/2026
2h 12m
No alerts
Replay Analysis
N253WNBOEING Boeing 737-700
→
08/16/2026
1h 21m
No alerts
Replay Analysis
N253WNBOEING Boeing 737-700
→
08/16/2026
2h 28m
No alerts
Replay Analysis
N494WNBOEING Boeing 737-700
→
08/09/2026
1h 52m
No alerts
Replay Analysis
N441WNBOEING Boeing 737-700
→
08/04/2026
22m
No alerts
Replay Analysis
N441WNBOEING Boeing 737-700
→
08/03/2026
2h 51m
No alerts
Replay Analysis
N441WNBOEING Boeing 737-700
→
08/03/2026
3h 14m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
08/03/2026
21m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
08/02/2026
2h 7m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
08/02/2026
2h 28m
No alerts
Replay Analysis
N8929SBOEING Boeing 737 MAX 8
→
08/01/2026
4h 55m
No alerts
Replay Analysis
N279WNBOEING Boeing 737-700
→
08/01/2026
1h 28m
No alerts
Replay Analysis
N279WNBOEING Boeing 737-700
→
07/31/2026
1h 53m
No alerts
Replay Analysis
N279WNBOEING Boeing 737-700
→
07/31/2026
3h 22m
No alerts
Replay Analysis
N214WNBOEING Boeing 737-700
→
07/31/2026
1h 18m
No alerts
Replay Analysis
N214WNBOEING Boeing 737-700
→
07/30/2026
2h 5m
No alerts
Replay Analysis
N214WNBOEING Boeing 737-700
→
07/30/2026
3h 24m
No alerts
Replay Analysis
N8747QBOEING Boeing 737 MAX 8
→
07/29/2026
2h 31m
No alerts
Replay Analysis
N8735LBOEING Boeing 737 MAX 8
→
07/28/2026
2h 2m
No alerts
Replay Analysis
N8735LBOEING Boeing 737 MAX 8
→
07/28/2026
10m
No alerts
Replay Analysis
N444WNBOEING Boeing 737-700
→
07/27/2026
1h 16m
↘ Diverted (inferred)
Replay Analysis
N8740ABOEING Boeing 737 MAX 8
→
07/27/2026
33m
No alerts
Replay Analysis
N8740ABOEING Boeing 737 MAX 8
→
07/26/2026
1h 47m
No alerts
Replay Analysis
N8740ABOEING Boeing 737 MAX 8
→
07/26/2026
2h 21m
No alerts
Replay Analysis
N8527QBOEING Boeing 737-800
→
07/25/2026
2h 8m
No alerts
Replay Analysis
N7881ABOEING Boeing 737-700
→
07/25/2026
37m
No alerts
Replay Analysis
N7881ABOEING Boeing 737-700
→
07/24/2026
2h 35m
No alerts
Replay Analysis
N7881ABOEING Boeing 737-700
→
07/24/2026
3h 12m
No alerts
Replay Analysis
N242WNBOEING Boeing 737-700
→
07/24/2026
38m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window