WN1252 SFO → SAN

Southwest Airlines · San Francisco, CA to San Diego, CA · 20 flights observed, 2025-07-01 to 2025-08-03 · 447 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 20% departing 12–3pm.

WN1252 covers more than one route in the data window — the stats below are for SFO → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
-6 min
90th percentile
+22 min
Cancellation rate
0%

How often is WN1252 on time?

Across 20 flights on SFO → SAN from 2025-07-01 to 2025-08-03, WN1252 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +22 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1680%
16-30 min210%
31-60 min15%
61-120 min15%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071883%+1 min
2025-08250%+1 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue5100%
Wed5100%
ThuNo data—
FriNo data—
Sat5100%
Sun520%

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