WN1529 DEN → SAN

Southwest Airlines · Denver, CO to San Diego, CA · 58 flights observed, 2026-04-07 to 2026-06-03 · 853 mi

This flight runs much more reliably at some times of day than others — 63% on-time departing 9pm–12am vs. 25% departing 3–6pm.

WN1529 covers more than one route in the data window — the stats below are for DEN → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
57%
Median delay
+9 min
90th percentile
+65 min
Cancellation rate
0%

How often is WN1529 on time?

Across 58 flights on DEN → SAN from 2026-04-07 to 2026-06-03, WN1529 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +65 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3357%
16-30 min814%
31-60 min1119%
61-120 min59%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042454%+19 min
2026-053158%+21 min
2026-06367%+5 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue956%
Wed956%
Thu850%
Fri888%
Sat875%
Sun825%

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