WN3559 OAK → PDX

Southwest Airlines · Oakland, CA to Portland, OR · 57 flights observed, 2026-04-07 to 2026-06-03 · 543 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 3–6pm vs. 57% departing 6–9pm.

WN3559 covers more than one route in the data window — the stats below are for OAK → PDX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
+3 min
90th percentile
+66 min
Cancellation rate
0%

How often is WN3559 on time?

Across 57 flights on OAK → PDX from 2026-04-07 to 2026-06-03, WN3559 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +66 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3663%
16-30 min611%
31-60 min712%
61-120 min59%
2+ hrs35%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042463%+20 min
2026-053063%+23 min
2026-06367%+14 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue989%
Wed978%
Thu838%
Fri825%
Sat8100%
Sun757%

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