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

Denver, CO (DEN) to Dallas, TX (DAL) flight delay odds

69.1% of 2,999 official scheduled DEN-to-DAL flights arrived on time; 19.0% arrived at least 30 minutes late and 1.2% 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 SIGNALVariable
69.1%arrived on time
19.0%30+ min late
1.2%cancelled
2,999scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.0%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+12.4 mincompleted flights

Which departure time was most reliable for DEN to DAL?

Among qualifying DEN-to-DAL departure window results, Early morning had the highest on-time rate: 91.6% of 728 flights. Evening was lowest at 50.6% across 854 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning72891.6%3.6%0.8%
Late morning53476.6%11.4%1.1%
Afternoon88363.8%19.6%1.6%
Evening85450.6%36.3%1.2%

Which weekday was most reliable for DEN to DAL?

Among qualifying DEN-to-DAL weekday results, Wednesday had the highest on-time rate: 74.8% of 405 flights. Sunday was lowest at 64.4% across 461 flights.

DayFlightsOn time30+ minCancelled
Monday45070.7%16.9%1.6%
Tuesday42070.7%16.7%1.4%
Wednesday40574.8%14.8%0.5%
Thursday44265.8%21.9%0.7%
Friday44965.9%22.3%1.3%
Saturday37272.3%16.1%1.3%
Sunday46164.4%23.2%1.5%

Which airline was most reliable for DEN to DAL?

Only Southwest Airlines met the DEN-to-DAL airline threshold: 69.1% of 2,999 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines2,99969.1%19.0%1.2%

Which month was most reliable for DEN to DAL?

Among qualifying DEN-to-DAL month results, February 2026 had the highest on-time rate: 82.1% of 234 flights. June 2026 was lowest at 51.1% across 264 flights.

MonthFlightsOn time30+ minCancelled
July 202528961.6%25.6%0.7%
August 202523761.6%24.1%0.0%
September 202522375.3%14.8%0.0%
October 202523771.7%16.9%0.4%
November 202523473.9%15.0%3.0%
December 202525368.8%20.6%0.0%
January 202625077.2%9.2%5.2%
February 202623482.1%11.1%1.7%
March 202627073.3%15.9%1.1%
April 202625271.8%15.1%0.0%
May 202625663.7%24.2%1.6%
June 202626451.1%33.0%0.8%

What drove DEN to DAL delay minutes?

Late aircraft was the largest recorded DEN-to-DAL delay category, accounting for 47.7% of 49,183 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.4%
Late aircraft47.7%
National airspace20.5%
Weather1.4%
Security0.1%
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.