JFK to DEN flight delays & on-time performance
Nonstop flights from John F. Kennedy International Airport to Denver International Airport · 1,626 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at JFK or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New York (JFK) to Denver (DEN) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.8% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (75% on time); JetBlue was the least (69%).
- Departures scheduled around 8am did best (83% on time); around 4pm did worst (62%).
- Tuesday was the most reliable day to fly (84% on time) and Saturday the least (66%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
Which airline is most on time from JFK to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 75% | 2.3% | 18 min | 9.1% | 966 |
| JetBlue | 69% | 4.0% | 20 min | 11.3% | 545 |
| Frontier Airlines | 67% | 0.0% | 42 min | 12.2% | 49 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am76%45 flights
- 8am83%497 flights
- 9am86%30 flights
- 10am78%51 flights
- 1pm89%19 flights
- 3pm68%109 flights
- 4pm62%169 flights
- 7pm71%340 flights
- 8pm63%251 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%4.6% cancelled
- Tuesday84%2.9% cancelled
- Wednesday79%1.9% cancelled
- Thursday73%0.9% cancelled
- Friday72%1.6% cancelled
- Saturday66%3.6% cancelled
- Sunday67%4.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion34%
- Late-arriving aircraft25%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather59%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion16%
- Security0%
JFK to DEN: common questions
- How often are JFK to DEN flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New York to Denver cancelled?
- 2.8% of scheduled flights were cancelled (44 of 1,560).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 10.0% of flights were an hour or more late.
- How long is taxi time at JFK?
- Flights on this route spent 32 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to JFK — 82% on time
More flights from New York
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: JFK → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.