FlightRecord

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

Data through July 2026

The calendar drives reliability on COS–DAL. March 2025 flights landed on schedule 94% of the time, but July 2026 dropped to 65% — a gap of 30 points. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 65%), which matters most in the rough months.

On-time
81%
arrived <15 min late
Avg delay
12 min
completed flights
Cancelled
0.7%
Flights/day
2.2
last 12 months
Duration
1h 51m
scheduled
Distance
602 mi

Monthly on-time trend

Monthly on-time percentage for COS to DAL flights50%75%100%August 2024: 83% on-time (76 flights)83Aug 2024September 2024: 84% on-time (73 flights)84October 2024: 92% on-time (74 flights)92November 2024: 78% on-time (75 flights)78Nov 2024December 2024: 76% on-time (75 flights)76January 2025: 84% on-time (70 flights)84February 2025: 90% on-time (69 flights)90Feb 2025March 2025: 94% on-time (71 flights)94April 2025: 78% on-time (68 flights)78May 2025: 82% on-time (71 flights)82May 2025June 2025: 71% on-time (79 flights)71July 2025: 68% on-time (84 flights)68August 2025: 84% on-time (75 flights)84Aug 2025September 2025: 82% on-time (73 flights)82October 2025: 89% on-time (74 flights)89November 2025: 84% on-time (74 flights)84Nov 2025December 2025: 79% on-time (75 flights)79January 2026: 80% on-time (66 flights)80February 2026: 94% on-time (67 flights)94Feb 2026March 2026: 80% on-time (60 flights)80April 2026: 86% on-time (56 flights)86May 2026: 88% on-time (57 flights)88May 2026June 2026: 67% on-time (60 flights)67July 2026: 65% on-time (62 flights)65

Best time to fly from COS to DAL

Aim for departures around 5 a.m. (96% on-time); avoid 6 p.m. departures (57%).

On-time percentage by scheduled departure hour, COS to DAL5 a.m.: 96% on-time (345 flights)56 a.m.: 91% on-time (198 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.: 78% on-time (82 flights)121 p.m.: 80% on-time (61 flights)132 p.m.: 78% on-time (109 flights)143 p.m.: 71% on-time (24 flights)154 p.m.: 66% on-time (231 flights)165 p.m.: 70% on-time (178 flights)176 p.m.: 57% on-time (105 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday81%12 min
Tuesday82%13 min
Wednesday84%9 min
Thursday79%13 min
Friday81%13 min
Saturdaybest86%10 min
Sunday78%13 min

What causes delays on this route

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

  • Late-arriving aircraft53%
  • Airline operations22%
  • National airspace system21%
  • Weather4%

Frequently asked questions

How often are flights from COS to DAL delayed?
19% of COS–DAL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 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 (57%). 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 51m over 602 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
How often are COS to DAL flights cancelled?
0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from COS to DAL?
July 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was March 2025 at 94%. If your dates are flexible, that 30-point gap is worth planning around.

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Based on 1,768 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.