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

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

Historically, 68.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,002 flights.

HISTORICAL ROUTE SIGNALVariable
68.0%arrived on time
19.4%30+ min late
1.4%cancelled
3,002scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.9%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+13.8 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning63484.9%6.3%0.9%
Late morning50576.8%11.7%2.0%
Afternoon1,00265.5%20.5%1.4%
Evening66252.3%33.8%1.4%
Night19957.3%27.6%1.5%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday45267.7%17.3%1.8%
Tuesday41972.8%17.4%1.4%
Wednesday40470.8%16.8%0.7%
Thursday44363.0%21.9%0.9%
Friday44767.8%19.7%1.1%
Saturday37168.5%21.6%2.2%
Sunday46666.3%21.2%1.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,00268.0%19.4%1.4%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202528961.6%22.8%1.7%
August 202523762.9%21.5%0.0%
September 202522369.1%17.0%0.0%
October 202523769.2%19.8%0.4%
November 202523470.5%15.0%5.1%
December 202525570.6%18.4%0.0%
January 202624979.5%8.0%3.6%
February 202623477.8%13.2%0.9%
March 202627071.9%20.7%0.4%
April 202625471.3%16.5%0.4%
May 202625757.2%28.4%1.9%
June 202626357.0%29.3%2.3%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline26.2%
Late aircraft43.2%
National airspace24.4%
Weather6.1%
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.