SWA4255 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 8m. SkyMeter has observed 86 legs of this flight number via ADS-B.

✈
FLIGHTS
86
last 90 days
⏱
AVG DURATION
1h 8m
tracked time
📅
SERVICE PERIOD
08/06/2025 → 06/27/2026
first → last seen
🗺
ROUTES / TYPES
11 / 3
city pairs · airframes
⚠
INCIDENT RATE
5.8%
5 flagged

Routes flown

By count · last 90 days

7
KSJC → KONT
45
avg 1h 17m · Norman Y. Mineta San Jose → Ontario
KAUS → KHOU
14
avg 48m · Austin Bergstrom → William P Hobby
KPHX → KSAT
4
avg 1h 50m · Phoenix Sky Harbor → San Antonio
KSMF → KPHX
3
avg 1h 35m · Sacramento → Phoenix Sky Harbor
US-2782 → KONT
2
avg 54m · Fremont Airport / King Skylanes → Ontario
KRHV → KONT
1
avg 56m · Reid-Hillview Airport of Santa Clara County → Ontario
KSJC → KSMF
1
avg 2h 49m · Norman Y. Mineta San Jose → Sacramento

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
60
B737 BOEING Boeing 737-700
30
B738 BOEING Boeing 737-800
27

Safety profile

Flagged flights · last 90 days

Go-arounds
2
Unstable approach
4
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 SWA4255

30
N8786QBOEING Boeing 737 MAX 8
→
06/27/2026
39m
↻ Go-around
Replay Analysis
N9000DBOEING Boeing 737 MAX 8
→
06/26/2026
40m
△ Unstable
Replay Analysis
N8663ABOEING Boeing 737-800
→
06/24/2026
48m
No alerts
Replay Analysis
N8877QBOEING Boeing 737 MAX 8
→
06/24/2026
6m
No alerts
Replay Analysis
N8877QBOEING Boeing 737 MAX 8
→
06/23/2026
56m
No alerts
Replay Analysis
N8877QBOEING Boeing 737 MAX 8
→
06/23/2026
1h 3m
No alerts
Replay Analysis
N8807LBOEING Boeing 737 MAX 8
→
06/23/2026
36m
No alerts
Replay Analysis
N9006LBOEING Boeing 737 MAX 8
→
06/20/2026
44m
No alerts
Replay Analysis
N9006LBOEING Boeing 737 MAX 8
→
06/20/2026
46m
No alerts
Replay Analysis
N9006LBOEING Boeing 737 MAX 8
→
06/19/2026
7m
No alerts
Replay Analysis
N1803UBOEING Boeing 737 MAX 8
→
06/19/2026
1h 27m
No alerts
Replay Analysis
N8840QBOEING Boeing 737 MAX 8
→
06/18/2026
5m
No alerts
Replay Analysis
N8840QBOEING Boeing 737 MAX 8
→
06/17/2026
41m
No alerts
Replay Analysis
N8840QBOEING Boeing 737 MAX 8
→
06/17/2026
47m
No alerts
Replay Analysis
N8318FBOEING Boeing 737-800
→
06/17/2026
8m
No alerts
Replay Analysis
N8318FBOEING Boeing 737-800
→
06/16/2026
45m
No alerts
Replay Analysis
N8318FBOEING Boeing 737-800
→
06/16/2026
54m
No alerts
Replay Analysis
N8584ZBOEING Boeing 737-800
→
06/16/2026
47m
No alerts
Replay Analysis
N8944QBOEING Boeing 737 MAX 8
→
06/13/2026
40m
No alerts
Replay Analysis
N8885QBOEING Boeing 737 MAX 8
→
06/12/2026
20m
No alerts
Replay Analysis
N8798QBOEING Boeing 737 MAX 8
→
06/10/2026
21m
No alerts
Replay Analysis
N8843SBOEING Boeing 737 MAX 8
→
06/09/2026
49m
No alerts
Replay Analysis
N8843SBOEING Boeing 737 MAX 8
→
06/09/2026
45m
No alerts
Replay Analysis
N8980QBOEING Boeing 737 MAX 8
→
06/06/2026
39m
No alerts
Replay Analysis
N8816QBOEING Boeing 737 MAX 8
→
06/05/2026
45m
No alerts
Replay Analysis
N7852ABOEING Boeing 737-700
→
06/04/2026
1h 1m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/02/2026
50m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/01/2026
1h 28m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/01/2026
37m
No alerts
Replay Analysis
N8695DBOEING Boeing 737-800
→
06/01/2026
1h 29m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window