PDX → SAN Southwest Airlines

Southwest Airlines · Portland, OR to San Diego, CA · 137 flights, 2025-07-05 to 2026-06-30 · aggregated across 9 flight numbers

This route's reliability varies a lot by day of week — 94% on-time on Tuesdays vs. 59% on Thursdays.
On-time arrival
78%
Median delay
+3 min
90th percentile
+27 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on PDX → SAN (137 flights, 2025-07-05 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay +3 min; the worst 10% ran +27 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time10778%
16-30 min1914%
31-60 min107%
61-120 min11%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07888%+13 min
2025-0820%+34 min
2025-10475%+10 min
2025-112100%-4 min
2025-122100%-2 min
2026-0110%+18 min
2026-032781%+5 min
2026-043093%+0 min
2026-053190%+3 min
2026-063050%+15 min

Performance by day of week

DayFlightsOn-time
Mon1788%
Tue1794%
Wed1688%
Thu1759%
Fri1765%
Sat2781%
Sun2673%

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