DEN to COS flight delays & on-time performance
Nonstop flights from Denver International Airport to City of Colorado Springs Municipal Airport · 73 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Colorado Springs (COS) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.2% were cancelled, and 9% arrived an hour or more late.
- United Airlines was the most punctual airline here (79% on time); Southwest Airlines was the least (74%).
- Departures scheduled around 8am did best (91% on time); around 8pm did worst (61%).
- Wednesday was the most reliable day to fly (80% on time) and Friday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from DEN to COS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 79% | 0.5% | 15 min | 8.5% | 579 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 77% | 1.5% | 17 min | 9.2% | 3,300 |
| Southwest Airlines | 74% | 0.4% | 15 min | 7.8% | 1,129 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%291 flights
- 8am91%185 flights
- 9am85%359 flights
- 10am83%205 flights
- 11am80%383 flights
- 12pm89%197 flights
- 1pm80%418 flights
- 2pm79%82 flights
- 3pm79%476 flights
- 4pm69%271 flights
- 5pm67%434 flights
- 6pm58%88 flights
- 7pm70%525 flights
- 8pm61%360 flights
- 9pm74%463 flights
- 10pm77%129 flights
- 11pm87%142 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%0.7% cancelled
- Tuesday79%1.0% cancelled
- Wednesday80%1.0% cancelled
- Thursday75%1.0% cancelled
- Friday72%2.0% cancelled
- Saturday77%0.8% cancelled
- Sunday76%1.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion18%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion62%
- Extreme weather34%
- Airline (crew, maintenance, cleaning, fueling)3%
- Security0%
DEN to COS: common questions
- How often are DEN to COS flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Colorado Springs cancelled?
- 1.2% of scheduled flights were cancelled (58 of 5,008).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 8.8% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to DEN — 81% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.