SWA4253 is operated by SOUTHWEST AIRLINES CO between Norman Y. Mineta San Jose International Airport (KSJC) and Ontario International Airport (KONT). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 1m. SkyMeter has observed 70 legs of this flight number via ADS-B.

✈
FLIGHTS
70
last 90 days
⏱
AVG DURATION
2h 1m
tracked time
📅
SERVICE PERIOD
06/06/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSJC → KONT
30
avg 1h 26m · Norman Y. Mineta San Jose → Ontario
KBNA → KSAN
15
avg 3h 51m · Nashville → San Diego
KONT → KPHX
5
avg 1h 4m · Ontario → Phoenix Sky Harbor
KHOU → KFLL
3
avg 2h 20m · William P Hobby → Fort Lauderdale Hollywood
TA92 → KFLL
3
avg 2h 27m · Rowan Heliport → Fort Lauderdale Hollywood

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
55
B38M BOEING Boeing 737 MAX 8
35
B738 BOEING Boeing 737-800
12

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 SWA4253

30
N8308KBOEING Boeing 737-800
→
07/19/2026
1h 48m
No alerts
Replay Analysis
N441WNBOEING Boeing 737-700
→
07/17/2026
2h 43m
No alerts
Replay Analysis
N7828ABOEING Boeing 737-700
→
07/16/2026
2h 3m
No alerts
Replay Analysis
N475WNBOEING Boeing 737-700
→
07/16/2026
1h 9m
No alerts
Replay Analysis
N475WNBOEING Boeing 737-700
→
07/15/2026
3h 36m
No alerts
Replay Analysis
N475WNBOEING Boeing 737-700
→
07/15/2026
2h 27m
No alerts
Replay Analysis
N476WNBOEING Boeing 737-700
→
07/15/2026
1h 54m
No alerts
Replay Analysis
N476WNBOEING Boeing 737-700
→
07/14/2026
3h 33m
No alerts
Replay Analysis
N476WNBOEING Boeing 737-700
→
07/14/2026
1h 38m
No alerts
Replay Analysis
N7873ABOEING Boeing 737-700
→
07/14/2026
26m
No alerts
Replay Analysis
N7873ABOEING Boeing 737-700
→
07/13/2026
2h 15m
No alerts
Replay Analysis
N7873ABOEING Boeing 737-700
→
07/13/2026
1h 48m
No alerts
Replay Analysis
N8901QBOEING Boeing 737 MAX 8
→
07/12/2026
2h 32m
No alerts
Replay Analysis
N7721EBOEING Boeing 737-700
→
07/10/2026
2h 16m
No alerts
Replay Analysis
N915WNBOEING Boeing 737-700
→
07/09/2026
2h 0m
No alerts
Replay Analysis
N449WNBOEING Boeing 737-700
→
07/09/2026
54m
No alerts
Replay Analysis
N449WNBOEING Boeing 737-700
→
07/08/2026
3h 34m
No alerts
Replay Analysis
N449WNBOEING Boeing 737-700
→
07/08/2026
2h 39m
No alerts
Replay Analysis
N961WNBOEING Boeing 737-700
→
07/08/2026
1h 19m
No alerts
Replay Analysis
N961WNBOEING Boeing 737-700
→
07/07/2026
3h 37m
No alerts
Replay Analysis
N961WNBOEING Boeing 737-700
→
07/07/2026
2h 18m
No alerts
Replay Analysis
N277WNBOEING Boeing 737-700
→
07/06/2026
3h 5m
No alerts
Replay Analysis
N8855QBOEING Boeing 737 MAX 8
→
07/06/2026
1h 18m
No alerts
Replay Analysis
N8855QBOEING Boeing 737 MAX 8
→
07/05/2026
2h 29m
No alerts
Replay Analysis
N8855QBOEING Boeing 737 MAX 8
→
07/05/2026
3h 48m
No alerts
Replay Analysis
N923WNBOEING Boeing 737-700
→
07/02/2026
1h 10m
No alerts
Replay Analysis
N923WNBOEING Boeing 737-700
→
07/01/2026
2h 44m
No alerts
Replay Analysis
N923WNBOEING Boeing 737-700
→
07/01/2026
3h 54m
No alerts
Replay Analysis
N7835ABOEING Boeing 737-700
→
07/01/2026
1h 14m
No alerts
Replay Analysis
N7835ABOEING Boeing 737-700
→
06/30/2026
3h 51m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window