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

Denver, CO (DEN) to Miami, FL (MIA) flight delay odds

73.3% of 2,490 official scheduled DEN-to-MIA flights arrived on time; 16.3% arrived at least 30 minutes late and 0.6% 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 SIGNALGenerally reliable
73.3%arrived on time
16.3%30+ min late
0.6%cancelled
2,490scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.4%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+10.8 mincompleted flights

Which departure time was most reliable for DEN to MIA?

Among qualifying DEN-to-MIA departure window results, Early morning had the highest on-time rate: 79.4% of 175 flights. Evening was lowest at 64.2% across 193 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning17579.4%16.0%1.1%
Late morning55371.4%16.6%0.2%
Afternoon83573.8%16.2%0.5%
Evening19364.2%22.8%0.0%
Night73475.1%14.6%1.2%

Which weekday was most reliable for DEN to MIA?

Among qualifying DEN-to-MIA weekday results, Tuesday had the highest on-time rate: 77.8% of 316 flights. Friday was lowest at 67.8% across 373 flights.

DayFlightsOn time30+ minCancelled
Monday36375.2%14.9%1.7%
Tuesday31677.8%12.0%0.6%
Wednesday32375.2%12.4%0.3%
Thursday36475.3%16.5%0.0%
Friday37367.8%23.1%0.5%
Saturday37772.7%15.4%0.5%
Sunday37470.1%18.7%0.8%

Which airline was most reliable for DEN to MIA?

Among qualifying DEN-to-MIA airline results, American Airlines had the highest on-time rate: 75.7% of 886 flights. Southwest Airlines was lowest at 62.2% across 323 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines93275.0%15.6%0.1%
American Airlines88675.7%15.7%1.0%
Frontier Airlines34972.8%16.3%1.1%
Southwest Airlines32362.2%20.1%0.6%

Which month was most reliable for DEN to MIA?

Among qualifying DEN-to-MIA month results, February 2026 had the highest on-time rate: 88.3% of 240 flights. August 2025 was lowest at 57.1% across 182 flights.

MonthFlightsOn time30+ minCancelled
July 202520758.5%21.7%1.4%
August 202518257.1%25.8%1.1%
September 202515773.9%19.1%0.0%
October 202517279.7%11.0%0.0%
November 202520482.8%7.8%0.0%
December 202524369.1%18.1%0.4%
January 202625373.1%14.6%2.8%
February 202624088.3%10.0%0.0%
March 202627966.3%25.1%1.1%
April 202619485.6%7.7%0.0%
May 202618076.7%14.4%0.0%
June 202617969.3%18.4%0.0%

What drove DEN to MIA delay minutes?

Airline was the largest recorded DEN-to-MIA delay category, accounting for 41.6% of 46,834 BTS-attributed delay minutes during July 2025–June 2026.

Airline41.6%
Late aircraft35.8%
National airspace20.5%
Weather2.0%
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.