WN4453 SJC → SAN

Southwest Airlines · San Jose, CA to San Diego, CA · 23 flights observed, 2026-03-05 to 2026-04-06 · 417 mi

This flight has been cancelled 9% of the time in the ingested window — notably higher than typical.

WN4453 covers more than one route in the data window — the stats below are for SJC → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
62%
Median delay
+6 min
90th percentile
+34 min
Cancellation rate
9%

How often is WN4453 on time?

Across 23 flights on SJC → SAN from 2026-03-05 to 2026-04-06, WN4453 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +34 min or later. 9% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1362%
16-30 min419%
31-60 min314%
61-120 min15%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031759%+14 min
2026-04475%+8 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue3100%
Wed3100%
Thu580%
Fri50%
SatNo data—
SunNo data—

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