WN575 SFO → STL

Southwest Airlines · San Francisco, CA to St. Louis, MO · 30 flights observed, 2025-10-02 to 2025-11-01 · 1,735 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 42% departing 12–3pm.

WN575 covers more than one route in the data window — the stats below are for SFO → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
62%
Median delay
+11 min
90th percentile
+43 min
Cancellation rate
0%

How often is WN575 on time?

Across 30 flights on SFO → STL from 2025-10-02 to 2025-11-01, WN575 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +43 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1862%
16-30 min414%
31-60 min517%
61-120 min27%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102861%+15 min
2025-111100%+9 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue4100%
Wed40%
Thu450%
Fri450%
Sat5100%
Sun4100%

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