SWA4239 is operated by SOUTHWEST AIRLINES CO between San Francisco International Airport (KSFO) and San Diego International Airport (KSAN). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 44m. SkyMeter has observed 26 legs of this flight number via ADS-B.

✈
FLIGHTS
26
last 90 days
⏱
AVG DURATION
1h 44m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 06/26/2026
first → last seen
🗺
ROUTES / TYPES
8 / 2
city pairs · airframes
⚠
INCIDENT RATE
26.9%
7 flagged

Routes flown

By count · last 90 days

7
KSFO → KSAN
13
avg 1h 44m · San Francisco → San Diego
KPHX → KOMA
6
avg 2h 11m · Phoenix Sky Harbor → Eppley Airfield
KHAF → KSAN
2
avg 1h 44m · Half Moon Bay → San Diego
KSAN → KPHX
1
avg 1h 10m · San Diego → Phoenix Sky Harbor
AZ73 → KPHX
1
avg 6m · Tempe St. Luke's Hospital Heliport → Phoenix Sky Harbor
US-2687 → KPHX
1
avg 1h 7m · DoubleTree San Diego Downtown Helipad → Phoenix Sky Harbor
KOAK → KPHX
1
avg 2h 22m · Metropolitan Oakland → Phoenix Sky Harbor

Aircraft types

Equipment used on this number

2
B737 BOEING Boeing 737-700
19
B38M BOEING Boeing 737 MAX 8
14

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
7
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 SWA4239

30
N8778QBOEING Boeing 737 MAX 8
→
06/26/2026
1h 41m
No alerts
Replay Analysis
N467WNBOEING Boeing 737-700
→
06/24/2026
1h 56m
No alerts
Replay Analysis
N961WNBOEING Boeing 737-700
→
06/23/2026
1h 37m
No alerts
Replay Analysis
N8781QBOEING Boeing 737 MAX 8
→
06/22/2026
2h 5m
△ Unstable
Replay Analysis
N1805UBOEING Boeing 737 MAX 8
→
06/19/2026
1h 44m
△ Unstable
Replay Analysis
N8936QBOEING Boeing 737 MAX 8
→
06/18/2026
1h 20m
No alerts
Replay Analysis
N438WNBOEING Boeing 737-700
→
06/17/2026
1h 47m
△ Unstable
Replay Analysis
N7724ABOEING Boeing 737-700
→
06/16/2026
1h 52m
No alerts
Replay Analysis
N8744BBOEING Boeing 737 MAX 8
→
06/15/2026
2h 7m
No alerts
Replay Analysis
N8734QBOEING Boeing 737 MAX 8
→
06/12/2026
1h 45m
△ Unstable
Replay Analysis
N8725LBOEING Boeing 737 MAX 8
→
06/11/2026
1h 18m
No alerts
Replay Analysis
N7748ABOEING Boeing 737-700
→
06/10/2026
1h 38m
△ Unstable
Replay Analysis
N949WNBOEING Boeing 737-700
→
06/09/2026
1h 48m
△ Unstable
Replay Analysis
N8759QBOEING Boeing 737 MAX 8
→
06/05/2026
1h 48m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
06/04/2026
1h 27m
No alerts
Replay Analysis
N234WNBOEING Boeing 737-700
→
04/07/2026
2h 8m
No alerts
Replay Analysis
N234WNBOEING Boeing 737-700
→
04/07/2026
13m
No alerts
Replay Analysis
N234WNBOEING Boeing 737-700
→
04/06/2026
56m
No alerts
Replay Analysis
N234WNBOEING Boeing 737-700
→
04/06/2026
1h 9m
No alerts
Replay Analysis
N1804UBOEING Boeing 737 MAX 8
→
04/06/2026
2h 14m
No alerts
Replay Analysis
N1804UBOEING Boeing 737 MAX 8
→
04/06/2026
2h 22m
No alerts
Replay Analysis
N8919KBOEING Boeing 737 MAX 8
→
04/05/2026
1h 41m
No alerts
Replay Analysis
N8919KBOEING Boeing 737 MAX 8
→
04/04/2026
2h 4m
No alerts
Replay Analysis
N8919KBOEING Boeing 737 MAX 8
→
04/04/2026
22m
No alerts
Replay Analysis
N460WNBOEING Boeing 737-700
→
04/04/2026
2h 5m
No alerts
Replay Analysis
N7855ABOEING Boeing 737-700
→
04/04/2026
6m
No alerts
Replay Analysis
N7855ABOEING Boeing 737-700
→
04/03/2026
1h 18m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
04/03/2026
2h 24m
No alerts
Replay Analysis
N236WNBOEING Boeing 737-700
→
04/03/2026
13m
△ Unstable
Replay Analysis
N236WNBOEING Boeing 737-700
→
04/02/2026
53m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window