Skip to content
WanderNerd
Check a flight

Route Reliability

New York → Denver

JFK–DEN · 1,626 miles · John F. Kennedy International Airport to Denver International Airport

67
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
12 min
Average arrival delay
2.5%
Cancelled
1,578
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines72%984 flights
  2. 2.JetBlue Airways68%545 flights

Not enough history to rank: Frontier Airlines (49 flights). We rank airlines only after 100 flights on the route.

What the data says

The 12–3 PM departure wins.

JFK–DEN flights departing between 12–3 PM arrived on time 88% of the time, versus 59% between 3–6 PM.

Sunday scaries are real for this one.

JFK–DEN flights arrived on time 81% of the time on Tuesdays and just 64% on Sundays. That gap is worth planning around.

Delta Air Lines has a slight edge here.

Delta Air Lines arrived on time 72% of the time on this route; JetBlue Airways managed 68%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon68%(226 flights)
  • Tue81%(215 flights)
  • Wed76%(221 flights)
  • Thu68%(223 flights)
  • Fri69%(230 flights)
  • Sat70%(196 flights)
  • Sun64%(224 flights)
On-time by departure window
  • 6–9 AM81%(589 flights)
  • 9 AM–12 PM84%(43 flights)
  • 12–3 PM88%(24 flights)
  • 3–6 PM59%(292 flights)
  • 6–9 PM65%(576 flights)
  • 9 PM–12 AM64%(11 flights)
On-time trend by month
80%
May

Jun 61% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%141
July 202557%141
August 202574%152
September 202588%118
October 202569%141
November 202569%127
December 202561%150
January 202679%99
February 202680%93
March 202666%134
April 202676%118
May 202680%121

Same trip, other airports

Keep nerding

Based on 1,578 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.