SWA4637 is operated by SOUTHWEST AIRLINES CO between Chicago Midway International Airport (KMDW) and Los Angeles International Airport (KLAX). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 58m. SkyMeter has observed 51 legs of this flight number via ADS-B.

✈
FLIGHTS
51
last 90 days
⏱
AVG DURATION
2h 58m
tracked time
📅
SERVICE PERIOD
06/01/2025 → 08/17/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KMDW → KLAX
34
avg 3h 52m · Chicago Midway → Los Angeles
KPHX → KBUR
7
avg 1h 16m · Phoenix Sky Harbor → Bob Hope
KTUS → KPHX
5
avg 28m · Tucson International Airport / Morris Air National Guard Base → Phoenix Sky Harbor
KSMF → KDEN
2
avg 2h 7m · Sacramento → Denver
KABQ → KLAX
1
avg 2h 14m · Albuquerque International Sunport → Los Angeles
KMDW → KABQ
1
avg 2h 46m · Chicago Midway → Albuquerque International Sunport

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
31
B737 BOEING Boeing 737-700
15
B738 BOEING Boeing 737-800
5

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 SWA4637

30
N232WNBOEING Boeing 737-700
→
08/17/2026
2h 10m
No alerts
Replay Analysis
N567WNBOEING Boeing 737-700
→
08/10/2026
2h 3m
No alerts
Replay Analysis
N8754SBOEING Boeing 737 MAX 8
→
08/03/2026
3h 42m
No alerts
Replay Analysis
N8716BBOEING Boeing 737 MAX 8
→
08/02/2026
3h 37m
No alerts
Replay Analysis
N8662FBOEING Boeing 737-800
→
07/31/2026
3h 55m
No alerts
Replay Analysis
N8935QBOEING Boeing 737 MAX 8
→
07/30/2026
4h 3m
No alerts
Replay Analysis
N8723QBOEING Boeing 737 MAX 8
→
07/27/2026
3h 37m
No alerts
Replay Analysis
N8793QBOEING Boeing 737 MAX 8
→
07/26/2026
3h 48m
No alerts
Replay Analysis
N8766TBOEING Boeing 737 MAX 8
→
07/24/2026
3h 44m
No alerts
Replay Analysis
N8745KBOEING Boeing 737 MAX 8
→
07/23/2026
3h 50m
No alerts
Replay Analysis
N8726HBOEING Boeing 737 MAX 8
→
07/19/2026
3h 36m
No alerts
Replay Analysis
N8626BBOEING Boeing 737-800
→
07/17/2026
3h 39m
No alerts
Replay Analysis
N8762QBOEING Boeing 737 MAX 8
→
07/16/2026
3h 35m
No alerts
Replay Analysis
N8798QBOEING Boeing 737 MAX 8
→
07/13/2026
3h 29m
No alerts
Replay Analysis
N8785LBOEING Boeing 737 MAX 8
→
07/12/2026
3h 33m
No alerts
Replay Analysis
N8702LBOEING Boeing 737 MAX 8
→
07/10/2026
3h 55m
No alerts
Replay Analysis
N8568ZBOEING Boeing 737-800
→
07/09/2026
3h 57m
No alerts
Replay Analysis
N8737LBOEING Boeing 737 MAX 8
→
07/06/2026
3h 38m
No alerts
Replay Analysis
N8745KBOEING Boeing 737 MAX 8
→
07/05/2026
3h 44m
No alerts
Replay Analysis
N8784QBOEING Boeing 737 MAX 8
→
07/03/2026
3h 54m
No alerts
Replay Analysis
N8779QBOEING Boeing 737 MAX 8
→
07/02/2026
3h 55m
No alerts
Replay Analysis
N8522PBOEING Boeing 737-800
→
06/29/2026
3h 53m
No alerts
Replay Analysis
N8720LBOEING Boeing 737 MAX 8
→
06/28/2026
2h 13m
No alerts
Replay Analysis
N8720LBOEING Boeing 737 MAX 8
→
06/28/2026
2h 46m
No alerts
Replay Analysis
N8709QBOEING Boeing 737 MAX 8
→
06/26/2026
4h 4m
No alerts
Replay Analysis
N8533SBOEING Boeing 737-800
→
06/25/2026
3h 54m
No alerts
Replay Analysis
N8805LBOEING Boeing 737 MAX 8
→
06/22/2026
3h 51m
No alerts
Replay Analysis
N8743KBOEING Boeing 737 MAX 8
→
06/21/2026
4h 14m
No alerts
Replay Analysis
N8797QBOEING Boeing 737 MAX 8
→
06/19/2026
4h 15m
No alerts
Replay Analysis
N1808UBOEING Boeing 737 MAX 8
→
06/18/2026
3h 49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window