87% of PDX → JFK flights arrived on time in June-August 2026 (286 flights). The most reliable was DL 451, on time 94% of the time on this route. Evening flights did best (93%), morning flights worst (84%). Portland (PDX): no delay reported. New York JFK (JFK): no delay reported.
Best time of day to fly PDX → JFK
| Morning (before noon) | |
| Evening (after 5 PM) |
Flights PDX → JFK, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| DL 451 Delta | 7:00 AM | 4.3% | |
| DL 2139 Delta | 10:35 PM | 1.1% | |
| AS 18 Alaska Airlines | 10:47 AM | 4.3% |
PDX conditions · JFK conditions · JFK → 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.