Denver (DEN) to New York (JFK): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–JFK. October 2024 flights landed on schedule 94% of the time, but July 2025 dropped to 60% — a gap of 33 points. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 4.3
- last 12 months
- Duration
- 3h 54m
- scheduled
- Distance
- 1,626 mi
Best airline from DEN to JFK
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 12 min | 2.2% | 1,944 |
| JetBlue Airways | 69% | 33 min | 3.5% | 1,274 |
Monthly on-time trend
Best time to fly from DEN to JFK
Aim for departures around 7 a.m. (89% on-time); avoid 2 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 22 min |
| Tuesdaybest | 83% | 18 min |
| Wednesday | 79% | 14 min |
| Thursday | 77% | 22 min |
| Friday | 80% | 16 min |
| Saturday | 78% | 27 min |
| Sunday | 75% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations47%
- National airspace system19%
- Weather1%
Frequently asked questions
- How often are flights from DEN to JFK delayed?
- 22% of DEN–JFK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from DEN to JFK?
- Delta Air Lines has the best on-time record on this route at 85%, based on 1,944 flights. 2 airlines flew DEN–JFK frequently enough to compare in this period.
- What is the best time of day to fly from DEN to JFK?
- Departures around 7 a.m. have the best record (89% on-time), while departures around 2 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to JFK?
- The scheduled DEN–JFK flight time averages 3h 54m over 1,626 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are DEN to JFK flights cancelled?
- 2.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from DEN to JFK?
- July 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 3,267 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.