Best Time to Fly PDX to JFK: On-Time Stats by Hour & Airline
Portland International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.9% of Portland (PDX) to New York (JFK) flights arrived on time (914 scheduled flights). That is 9.3 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 89.9% on time and Alaska Airlines was last with 82.4%.
Over 24 months, Tuesday was the most reliable day (89% on time) and July the worst month (79%).
The cancellation rate was 2.0% (US average 1.8%).
PDX to JFK 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 |
|---|---|---|---|---|
| Delta Air Lines | 89.9% | 76 min | 2.2% | 550 |
| Alaska Airlines | 82.4% | 53 min | 1.6% | 364 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to JFK
On-time arrival % by scheduled departure hour (local time), 1,830 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.4% | 0.6% | 161 |
| 7am–8am | 88.4% | 1.5% | 1,195 |
| 8am–9am | Limited data | 1 | |
| 10am–11am | 78.1% | 3.8% | 80 |
| 12pm–1pm | 75.7% | 0.0% | 37 |
| 1pm–2pm | 74.2% | 1.4% | 212 |
| 2pm–3pm | Limited data | 19 | |
| 10pm–11pm | 92.9% | 0.0% | 56 |
| 11pm–12am | 86.8% | 1.4% | 69 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PDX to JFK
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) | 91.5% | +4.2 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 78.2% | -9.1 pts | 3.8% | 372 |
| All other days | 87.3% | — | 0.8% | 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).