WN4283 STL → SAN

Southwest Airlines · St. Louis, MO to San Diego, CA · 23 flights observed, 2026-06-04 to 2026-06-30 · 1,557 mi

WN4283 covers more than one route in the data window — the stats below are for STL → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
65%
Median delay
+8 min
90th percentile
+33 min
Cancellation rate
0%

How often is WN4283 on time?

Across 23 flights on STL → SAN from 2026-06-04 to 2026-06-30, WN4283 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +33 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1565%
16-30 min522%
31-60 min29%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062365%+14 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue4100%
Wed367%
Thu475%
Fri475%
SatNo data—
Sun450%

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