Skip to content
WanderNerd
Check a flight

Route Reliability

Jacksonville → Denver

JAX–DEN · 1,446 miles · Jacksonville International Airport to Denver International Airport

92
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min
Average arrival delay
0.2%
Cancelled
973
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines89%599 flights
  2. 2.Southwest Airlines82%374 flights

What the data says

Morning-you made the right choice.

JAX–DEN flights departing between 3–6 AM arrived on time 99% of the time, versus 74% between 12–3 PM.

Sunday scaries are real for this one.

JAX–DEN flights arrived on time 95% of the time on Wednesdays and just 77% on Sundays. That gap is worth planning around.

United Airlines runs this route best.

United Airlines arrived on time 89% of the time on this route; Southwest Airlines managed 82%.

It basically never cancels.

Out of 973 scheduled flights, only 0.2% were cancelled.

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
  • Mon88%(140 flights)
  • Tue86%(131 flights)
  • Wed95%(129 flights)
  • Thu88%(138 flights)
  • Fri88%(138 flights)
  • Sat85%(149 flights)
  • Sun77%(142 flights)
On-time by departure window
  • 3–6 AM99%(72 flights)
  • 6–9 AM92%(416 flights)
  • 9 AM–12 PM93%(61 flights)
  • 12–3 PM74%(87 flights)
  • 3–6 PM79%(330 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
82%
May

Jun 86% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%62
July 202589%62
August 202592%61
September 202582%66
October 202587%92
November 202597%91
December 202582%95
January 202693%88
February 202682%76
March 202680%94
April 202688%91
May 202682%89

Keep nerding

Based on 973 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.