SWA4090 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 42m. SkyMeter has observed 31 legs of this flight number via ADS-B.

✈
FLIGHTS
31
last 90 days
⏱
AVG DURATION
1h 42m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
2 / 3
city pairs · airframes
⚠
INCIDENT RATE
45.2%
14 flagged

Routes flown

By count · last 90 days

2
KSFO → KSAN
30
avg 1h 43m · San Francisco → San Diego
US-0188 → KSAN
1
avg 1h 13m · Coast Guard Air Station San Francisco → San Diego

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
25
B38M BOEING Boeing 737 MAX 8
4
B738 BOEING Boeing 737-800
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
14
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 SWA4090

30
N567WNBOEING Boeing 737-700
→
06/03/2026
1h 55m
No alerts
Replay Analysis
N262WNBOEING Boeing 737-700
→
06/02/2026
1h 30m
No alerts
Replay Analysis
N263WNBOEING Boeing 737-700
→
06/01/2026
1h 22m
No alerts
Replay Analysis
N281WNBOEING Boeing 737-700
→
05/31/2026
2h 5m
△ Unstable
Replay Analysis
N467WNBOEING Boeing 737-700
→
05/29/2026
1h 15m
△ Unstable
Replay Analysis
N566WNBOEING Boeing 737-700
→
05/28/2026
1h 58m
△ Unstable
Replay Analysis
N480WNBOEING Boeing 737-700
→
05/27/2026
1h 33m
No alerts
Replay Analysis
N499WNBOEING Boeing 737-700
→
05/26/2026
1h 43m
No alerts
Replay Analysis
N7729ABOEING Boeing 737-700
→
05/25/2026
2h 26m
No alerts
Replay Analysis
N8901QBOEING Boeing 737 MAX 8
→
05/24/2026
1h 45m
△ Unstable
Replay Analysis
N8575ZBOEING Boeing 737-800
→
05/23/2026
1h 55m
△ Unstable
Replay Analysis
N455WNBOEING Boeing 737-700
→
05/21/2026
1h 40m
No alerts
Replay Analysis
N7860ABOEING Boeing 737-700
→
05/18/2026
1h 43m
△ Unstable
Replay Analysis
N232WNBOEING Boeing 737-700
→
05/17/2026
1h 15m
△ Unstable
Replay Analysis
N8691ABOEING Boeing 737-800
→
05/16/2026
1h 52m
No alerts
Replay Analysis
N229WNBOEING Boeing 737-700
→
05/15/2026
1h 47m
No alerts
Replay Analysis
N7740ABOEING Boeing 737-700
→
05/14/2026
1h 52m
△ Unstable
Replay Analysis
N440LVBOEING Boeing 737-700
→
05/13/2026
1h 41m
△ Unstable
Replay Analysis
N901WNBOEING Boeing 737-700
→
05/11/2026
1h 40m
No alerts
Replay Analysis
N286WNBOEING Boeing 737-700
→
05/10/2026
2h 0m
No alerts
Replay Analysis
N968WNBOEING Boeing 737-700
→
05/04/2026
1h 12m
No alerts
Replay Analysis
N222WNBOEING Boeing 737-700
→
05/03/2026
1h 31m
△ Unstable
Replay Analysis
N8902QBOEING Boeing 737 MAX 8
→
05/02/2026
1h 55m
△ Unstable
Replay Analysis
N929WNBOEING Boeing 737-700
→
05/01/2026
1h 25m
No alerts
Replay Analysis
N8874QBOEING Boeing 737 MAX 8
→
04/25/2026
1h 49m
No alerts
Replay Analysis
N7741CBOEING Boeing 737-700
→
04/23/2026
1h 59m
No alerts
Replay Analysis
N7732ABOEING Boeing 737-700
→
04/21/2026
1h 27m
No alerts
Replay Analysis
N7742BBOEING Boeing 737-700
→
04/20/2026
1h 30m
△ Unstable
Replay Analysis
N938WNBOEING Boeing 737-700
→
04/19/2026
1h 20m
No alerts
Replay Analysis
N8926QBOEING Boeing 737 MAX 8
→
04/18/2026
1h 48m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window