WN4275 SJC → SNA

Southwest Airlines · San Jose, CA to Santa Ana, CA · 57 flights observed, 2026-04-07 to 2026-06-03 · 342 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 63% on Thursdays.

WN4275 covers more than one route in the data window — the stats below are for SJC → SNA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
82%
Median delay
-7 min
90th percentile
+29 min
Cancellation rate
0%

How often is WN4275 on time?

Across 57 flights on SJC → SNA from 2026-04-07 to 2026-06-03, WN4275 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +29 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time4782%
16-30 min47%
31-60 min35%
61-120 min35%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042471%+11 min
2026-053090%-5 min
2026-063100%-10 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue9100%
Wed989%
Thu863%
Fri863%
Sat8100%
Sun786%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…