74% of PDX → BOS flights arrived on time in June-August 2026 (331 flights). The most reliable was AS 358, on time 88% of the time on this route. Morning flights did best (88%), afternoon flights worst (64%). Portland (PDX): no delay reported. Boston Logan (BOS): no delay reported.
Best time of day to fly PDX → BOS
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights PDX → BOS, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| AS 358 Alaska Airlines | 7:00 AM | 0% | |
| AS 436 Alaska Airlines | 9:56 PM | 0% | |
| B6 396 JetBlue | 2:16 PM | 3.3% | |
| B6 96 JetBlue | 11:27 PM | 10.7% |
PDX conditions · BOS conditions · BOS → 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.