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 MAX 8. Typical block time is 1h 21m. SkyMeter has observed 58 legs of this flight number via ADS-B.

✈
FLIGHTS
58
last 90 days
⏱
AVG DURATION
1h 21m
tracked time
📅
SERVICE PERIOD
04/03/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 3
city pairs · airframes
⚠
INCIDENT RATE
5.2%
3 flagged

Routes flown

By count · last 90 days

4
KSJC → KONT
42
avg 1h 24m · Norman Y. Mineta San Jose → Ontario
KONT → KPHX
6
avg 1h 10m · Ontario → Phoenix Sky Harbor
KPHX → KSAT
4
avg 1h 55m · Phoenix Sky Harbor → San Antonio
KSAT → KATL
1
avg 2h 19m · San Antonio → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
26
B737 BOEING Boeing 737-700
18
B738 BOEING Boeing 737-800
14

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
2
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
N8826QBOEING Boeing 737 MAX 8
→
06/03/2026
1h 33m
No alerts
Replay Analysis
N8913SBOEING Boeing 737 MAX 8
→
06/02/2026
1h 19m
No alerts
Replay Analysis
N8684FBOEING Boeing 737-800
→
06/01/2026
1h 30m
No alerts
Replay Analysis
N8887QBOEING Boeing 737 MAX 8
→
05/31/2026
1h 21m
No alerts
Replay Analysis
N8964LBOEING Boeing 737 MAX 8
→
05/29/2026
1h 28m
No alerts
Replay Analysis
N8584ZBOEING Boeing 737-800
→
05/28/2026
1h 18m
No alerts
Replay Analysis
N8975KBOEING Boeing 737 MAX 8
→
05/26/2026
1h 9m
No alerts
Replay Analysis
N8917QBOEING Boeing 737 MAX 8
→
05/25/2026
1h 28m
No alerts
Replay Analysis
N456WNBOEING Boeing 737-700
→
05/24/2026
6m
No alerts
Replay Analysis
N456WNBOEING Boeing 737-700
→
05/24/2026
1h 9m
No alerts
Replay Analysis
N293WNBOEING Boeing 737-700
→
05/23/2026
1h 9m
No alerts
Replay Analysis
N293WNBOEING Boeing 737-700
→
05/23/2026
1h 34m
No alerts
Replay Analysis
N8526WBOEING Boeing 737-800
→
05/21/2026
1h 33m
No alerts
Replay Analysis
N8910QBOEING Boeing 737 MAX 8
→
05/20/2026
16m
No alerts
Replay Analysis
N8910QBOEING Boeing 737 MAX 8
→
05/20/2026
1h 5m
No alerts
Replay Analysis
N8908QBOEING Boeing 737 MAX 8
→
05/18/2026
1h 27m
No alerts
Replay Analysis
N8826QBOEING Boeing 737 MAX 8
→
05/17/2026
1h 10m
No alerts
Replay Analysis
N294WNBOEING Boeing 737-700
→
05/16/2026
55m
No alerts
Replay Analysis
N294WNBOEING Boeing 737-700
→
05/16/2026
1h 26m
No alerts
Replay Analysis
N8303RBOEING Boeing 737-800
→
05/15/2026
1h 42m
No alerts
Replay Analysis
N8322XBOEING Boeing 737-800
→
05/14/2026
1h 29m
No alerts
Replay Analysis
N8958QBOEING Boeing 737 MAX 8
→
05/13/2026
1h 33m
No alerts
Replay Analysis
N8525SBOEING Boeing 737-800
→
05/11/2026
1h 30m
No alerts
Replay Analysis
N8707PBOEING Boeing 737 MAX 8
→
05/10/2026
1h 29m
No alerts
Replay Analysis
N262WNBOEING Boeing 737-700
→
05/04/2026
1h 28m
No alerts
Replay Analysis
N8754SBOEING Boeing 737 MAX 8
→
05/03/2026
1h 16m
No alerts
Replay Analysis
N7869ABOEING Boeing 737-700
→
05/02/2026
1h 41m
No alerts
Replay Analysis
N7869ABOEING Boeing 737-700
→
05/02/2026
1h 16m
No alerts
Replay Analysis
N8528QBOEING Boeing 737-800
→
05/01/2026
1h 20m
No alerts
Replay Analysis
N8583ZBOEING Boeing 737-800
→
04/30/2026
1h 33m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window