PDX → OAK Southwest Airlines

Southwest Airlines · Portland, OR to Oakland, CA · 1,181 flights, 2025-07-01 to 2026-06-30 · aggregated across 72 flight numbers

This route runs much more reliably at some times of day than others — 96% on-time departing 3–6am vs. 50% departing 9pm–12am.
On-time arrival
77%
Median delay
-2 min
90th percentile
+40 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on PDX → OAK (1,181 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +40 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time90477%
16-30 min1089%
31-60 min898%
61-120 min494%
2+ hrs212%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0711664%+23 min
2025-0810481%+12 min
2025-099972%+8 min
2025-1010777%+8 min
2025-119881%+6 min
2025-1210582%+5 min
2026-019693%-5 min
2026-028387%+4 min
2026-038873%+12 min
2026-048978%+5 min
2026-059276%+4 min
2026-069468%+18 min

Performance by day of week

DayFlightsOn-time
Mon17075%
Tue17577%
Wed16983%
Thu16474%
Fri17274%
Sat12985%
Sun19274%

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