WN2548 STL → SAN

Southwest Airlines · St. Louis, MO to San Diego, CA · 33 flights observed, 2026-03-05 to 2026-04-06 · 1,557 mi

WN2548 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
94%
Median delay
-11 min
90th percentile
+11 min
Cancellation rate
3%

How often is WN2548 on time?

Across 33 flights on STL → SAN from 2026-03-05 to 2026-04-06, WN2548 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +11 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3094%
16-30 min13%
31-60 min13%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032692%-10 min
2026-046100%+1 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue4100%
Wed4100%
Thu5100%
Fri5100%
Sat5100%
Sun580%

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