FlightRecord

Colorado Springs (COS) to Dallas (DAL): On-Time Performance

Data through May 2026

The calendar drives reliability on COS–DAL. March 2025 flights landed on schedule 94% of the time, but July 2025 dropped to 68% — a gap of 26 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 66%), which matters most in the rough months.

On-time
82%
arrived <15 min late
Avg delay
11 min
completed flights
Cancelled
0.6%
Flights/day
2.3
last 12 months
Duration
1h 50m
scheduled
Distance
602 mi

Monthly on-time trend

Monthly on-time percentage for COS to DAL flights50%75%100%June 2024: 76% on-time (79 flights)76Jun 2024July 2024: 75% on-time (84 flights)75August 2024: 83% on-time (76 flights)83September 2024: 84% on-time (73 flights)84Sep 2024October 2024: 92% on-time (74 flights)92November 2024: 78% on-time (75 flights)78December 2024: 76% on-time (75 flights)76Dec 2024January 2025: 84% on-time (70 flights)84February 2025: 90% on-time (69 flights)90March 2025: 94% on-time (71 flights)94Mar 2025April 2025: 78% on-time (68 flights)78May 2025: 82% on-time (71 flights)82June 2025: 71% on-time (79 flights)71Jun 2025July 2025: 68% on-time (84 flights)68August 2025: 84% on-time (75 flights)84September 2025: 82% on-time (73 flights)82Sep 2025October 2025: 89% on-time (74 flights)89November 2025: 84% on-time (74 flights)84December 2025: 79% on-time (75 flights)79Dec 2025January 2026: 80% on-time (66 flights)80February 2026: 94% on-time (67 flights)94March 2026: 80% on-time (60 flights)80Mar 2026April 2026: 86% on-time (56 flights)86May 2026: 88% on-time (57 flights)88

Best time to fly from COS to DAL

Aim for departures around 5 a.m. (96% on-time); avoid 6 p.m. departures (59%).

On-time percentage by scheduled departure hour, COS to DAL5 a.m.: 96% on-time (311 flights)56 a.m.: 90% on-time (200 flights)67 a.m.: 91% on-time (84 flights)78 a.m.: 93% on-time (57 flights)89 a.m.: 92% on-time (36 flights)910 a.m.: 83% on-time (205 flights)1011 a.m.: 76% on-time (53 flights)1112 p.m.: 80% on-time (84 flights)121 p.m.: 79% on-time (72 flights)132 p.m.: 78% on-time (107 flights)143 p.m.: 71% on-time (24 flights)154 p.m.: 73% on-time (198 flights)165 p.m.: 69% on-time (205 flights)176 p.m.: 59% on-time (89 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday83%11 min
Tuesday83%12 min
Wednesday84%8 min
Thursday79%13 min
Friday82%12 min
Saturdaybest86%10 min
Sunday80%12 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft54%
  • Airline operations20%
  • National airspace system22%
  • Weather4%

Frequently asked questions

How often are flights from COS to DAL delayed?
18% of COS–DAL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
What is the best time of day to fly from COS to DAL?
Departures around 5 a.m. have the best record (96% on-time), while departures around 6 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from COS to DAL?
The scheduled COS–DAL flight time averages 1h 50m over 602 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are COS to DAL flights cancelled?
0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from COS to DAL?
July 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was March 2025 at 94%. If your dates are flexible, that 26-point gap is worth planning around.

Explore related pages

More routes from COS

Based on 1,725 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.