OAK → DEN Southwest Airlines

Southwest Airlines · Oakland, CA to Denver, CO · 1,607 flights, 2025-07-01 to 2026-06-30 · aggregated across 77 flight numbers

This route runs much more reliably at some times of day than others — 95% on-time departing 3–6am vs. 58% departing 12–3pm.
On-time arrival
75%
Median delay
+1 min
90th percentile
+44 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on OAK → DEN (1,607 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +44 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,18875%
16-30 min16110%
31-60 min15310%
61-120 min644%
2+ hrs262%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0715572%+15 min
2025-0814076%+10 min
2025-0913773%+11 min
2025-1014974%+9 min
2025-1112784%+4 min
2025-1213675%+9 min
2026-0112188%+4 min
2026-0211282%+9 min
2026-0312170%+12 min
2026-0412376%+8 min
2026-0512667%+13 min
2026-0614563%+14 min

Performance by day of week

DayFlightsOn-time
Mon22973%
Tue22677%
Wed22077%
Thu22475%
Fri23169%
Sat21979%
Sun24372%

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