BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
JAX→DEN

Jacksonville, FL (JAX) to Denver, CO (DEN) flight delay odds

83.2% of 995 official scheduled JAX-to-DEN flights arrived on time; 10.4% arrived at least 30 minutes late and 0.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
83.2%arrived on time
10.4%30+ min late
0.2%cancelled
995scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+3.4 mincompleted flights

Which departure time was most reliable for JAX to DEN?

Among qualifying JAX-to-DEN departure window results, Late morning had the highest on-time rate: 92.9% of 42 flights. Afternoon was lowest at 74.8% across 425 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning49592.3%3.6%0.2%
Late morning4292.9%7.1%0.0%
Afternoon42574.8%16.0%0.2%

Which weekday was most reliable for JAX to DEN?

Among qualifying JAX-to-DEN weekday results, Wednesday had the highest on-time rate: 90.7% of 129 flights. Sunday was lowest at 75.0% across 144 flights.

DayFlightsOn time30+ minCancelled
Monday14483.3%9.7%0.7%
Tuesday13484.3%6.7%0.7%
Wednesday12990.7%3.9%0.0%
Thursday14383.2%9.8%0.0%
Friday14384.6%10.5%0.0%
Saturday15882.3%9.5%0.0%
Sunday14475.0%21.5%0.0%

Which airline was most reliable for JAX to DEN?

Among qualifying JAX-to-DEN airline results, United Airlines had the highest on-time rate: 88.2% of 617 flights. Southwest Airlines was lowest at 75.1% across 378 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines61788.2%7.9%0.2%
Southwest Airlines37875.1%14.3%0.3%

Which month was most reliable for JAX to DEN?

Among qualifying JAX-to-DEN month results, November 2025 had the highest on-time rate: 96.7% of 91 flights. June 2026 was lowest at 60.0% across 85 flights.

MonthFlightsOn time30+ minCancelled
July 20256287.1%8.1%0.0%
August 20256290.3%3.2%0.0%
September 20256681.8%10.6%0.0%
October 20259287.0%5.4%0.0%
November 20259196.7%1.1%0.0%
December 20259581.1%11.6%0.0%
January 20268893.2%5.7%0.0%
February 20267779.2%14.3%1.3%
March 20269577.9%12.6%1.1%
April 20269186.8%8.8%0.0%
May 20269179.1%14.3%0.0%
June 20268560.0%27.1%0.0%

What drove JAX to DEN delay minutes?

Airline was the largest recorded JAX-to-DEN delay category, accounting for 37.2% of 11,479 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.2%
Late aircraft33.7%
National airspace26.5%
Weather2.6%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.