59% of PDX → SAN flights arrived on time in June-August 2026 (448 flights). The most reliable was AS 577, on time 72% of the time on this route. Morning flights did best (64%), afternoon flights worst (54%). Portland (PDX): no delay reported. San Diego (SAN): no delay reported.
Best time of day to fly PDX → SAN
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights PDX → SAN, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| AS 577 Alaska Airlines | 7:32 AM | 1.1% | |
| AS 1394 Alaska Airlines | 10:46 AM | 0% | |
| AS 1312 Alaska Airlines | 2:55 PM | 0% | |
| AS 369 Alaska Airlines | 5:40 PM | 2.6% | |
| WN 2809 Southwest | 1:05 PM | 0% | |
| WN 3137 Southwest | 8:00 AM | 0% |
PDX conditions · SAN conditions · SAN → PDX · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.