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

Colorado Springs, CO (COS) to Dallas, TX (DAL) flight delay odds

80.8% of 821 official scheduled COS-to-DAL flights arrived on time; 11.6% arrived at least 30 minutes late and 0.9% 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
80.8%arrived on time
11.6%30+ min late
0.9%cancelled
821scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.1 mincompleted flights

Which departure time was most reliable for COS to DAL?

Among qualifying COS-to-DAL departure window results, Early morning had the highest on-time rate: 94.9% of 316 flights. Evening was lowest at 57.3% across 110 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning31694.9%1.9%0.6%
Late morning14883.8%8.1%0.0%
Afternoon24771.3%18.6%0.8%
Evening11057.3%28.2%2.7%

Which weekday was most reliable for COS to DAL?

Among qualifying COS-to-DAL weekday results, Saturday had the highest on-time rate: 88.0% of 83 flights. Sunday was lowest at 71.7% across 120 flights.

DayFlightsOn time30+ minCancelled
Monday13281.1%12.1%0.0%
Tuesday11579.1%13.0%0.0%
Wednesday11086.4%8.2%0.9%
Thursday12982.2%7.8%0.8%
Friday13279.5%12.1%1.5%
Saturday8388.0%9.6%0.0%
Sunday12071.7%17.5%2.5%

Which airline was most reliable for COS to DAL?

Only Southwest Airlines met the COS-to-DAL airline threshold: 80.8% of 821 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines82180.8%11.6%0.9%

Which month was most reliable for COS to DAL?

Among qualifying COS-to-DAL month results, February 2026 had the highest on-time rate: 94.0% of 67 flights. June 2026 was lowest at 65.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20258467.9%20.2%0.0%
August 20257584.0%13.3%0.0%
September 20257382.2%11.0%0.0%
October 20257487.8%6.8%1.4%
November 20257482.4%12.2%1.4%
December 20257578.7%12.0%0.0%
January 20266677.3%13.6%3.0%
February 20266794.0%1.5%0.0%
March 20266080.0%10.0%0.0%
April 20265685.7%5.4%0.0%
May 20265786.0%8.8%1.8%
June 20266065.0%21.7%3.3%

What drove COS to DAL delay minutes?

Late aircraft was the largest recorded COS-to-DAL delay category, accounting for 56.2% of 9,261 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.6%
Late aircraft56.2%
National airspace17.8%
Weather5.3%
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.