DEN → OAK Southwest Airlines

Southwest Airlines · Denver, CO to Oakland, CA · 1,610 flights, 2025-07-01 to 2026-06-30 · aggregated across 90 flight numbers

This route runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 48% departing 9pm–12am.
On-time arrival
66%
Median delay
+5 min
90th percentile
+58 min
Cancellation rate
1%

How on-time is Southwest Airlines from DEN to OAK?

Across every Southwest Airlines flight number on DEN → OAK (1,610 flights, 2025-07-01 to 2026-06-30), 66% arrived within 15 minutes of schedule. Median arrival delay +5 min; the worst 10% ran +58 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,05166%
16-30 min23114%
31-60 min16911%
61-120 min996%
2+ hrs503%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0715754%+34 min
2025-0814362%+24 min
2025-0913873%+11 min
2025-1014869%+10 min
2025-1112680%+3 min
2025-1213559%+19 min
2026-0112284%-6 min
2026-0211277%+3 min
2026-0312266%+20 min
2026-0412266%+11 min
2026-0512858%+17 min
2026-0614747%+28 min

Performance by day of week

DayFlightsOn-time
Mon23363%
Tue22769%
Wed21970%
Thu22759%
Fri23166%
Sat22065%
Sun24367%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…