Best Time to Fly JFK to PDX: On-Time Stats by Hour & Airline
John F. Kennedy International → Portland International
Data through July 2026 · Last updated October 18, 2026
914 flights were scheduled from New York (JFK) to Portland (PDX) in the last 12 months, and 73.7% of those that flew arrived on time, 4.0 points below the US average of 77.6%.
Among 2 airlines, Alaska Airlines led with 74.2% on time and Delta Air Lines was last with 73.3%.
Over 24 months, Wednesday was the most reliable day (78% on time) and March the worst month (61%).
The cancellation rate was 2.1% (US average 1.8%).
JFK to PDX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 74.2% | 62 min | 1.9% | 364 |
| Delta Air Lines | 73.3% | 63 min | 2.2% | 550 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JFK to PDX
On-time arrival % by scheduled departure hour (local time), 1,830 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 86.3% | 0.3% | 316 |
| 9am–10am | 92.9% | 1.2% | 86 |
| 11am–12pm | 77.8% | 0.0% | 45 |
| 4pm–5pm | 69.6% | 0.0% | 79 |
| 5pm–6pm | 68.5% | 3.2% | 683 |
| 6pm–7pm | 58.7% | 1.0% | 204 |
| 7pm–8pm | 73.4% | 1.4% | 210 |
| 8pm–9pm | 77.3% | 0.0% | 207 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JFK to PDX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 24 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 63.8% | -12.0 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 66.5% | -9.3 pts | 3.5% | 372 |
| All other days | 75.8% | — | 1.1% | 1,374 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).