Denver (DEN) to Colorado Springs (COS): On-Time Performance
Data through July 2026
When you fly DEN to COS matters as much as anything else about the booking: the route swung from 88% on-time in October 2024 to just 58% in July 2025. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 69%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 14
- last 12 months
- Duration
- 53m
- scheduled
- Distance
- 73 mi
Best airline from DEN to COS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 76% | 20 min | 1.4% | 6,972 |
| United Airlines | 74% | 19 min | 1.1% | 1,345 |
| Southwest Airlines | 74% | 16 min | 0.4% | 2,361 |
Monthly on-time trend
Best time to fly from DEN to COS
Aim for departures around 7 a.m. (86% on-time); avoid 7 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 18 min |
| Tuesday | 77% | 18 min |
| Wednesdaybest | 77% | 18 min |
| Thursday | 75% | 17 min |
| Friday | 73% | 21 min |
| Saturday | 76% | 20 min |
| Sunday | 73% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations35%
- National airspace system17%
- Weather8%
Frequently asked questions
- How often are flights from DEN to COS delayed?
- 25% of DEN–COS 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 19 minutes.
- Which airline is most reliable from DEN to COS?
- SkyWest Airlines has the best on-time record on this route at 76%, based on 6,972 flights. 3 airlines flew DEN–COS frequently enough to compare in this period.
- What is the best time of day to fly from DEN to COS?
- Departures around 7 a.m. have the best record (86% on-time), while departures around 7 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to COS?
- The scheduled DEN–COS flight time averages 53m over 73 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are DEN to COS flights cancelled?
- 1.2% 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 DEN to COS?
- July 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 88%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 10,678 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.