City of Colorado Springs Municipal Airport (COS) delays & on-time performance
Colorado Springs, Colorado · 18 nonstop destinations · 7 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
81%
arrived < 15 min late
Cancelled
1.1%
150 flights
Avg arrival delay
16 min
81 min when late
Departed on time
80%
avg taxi-out 21 min
Figures cover 13,185 departures from COS; on-time is measured at arrival. Arrivals into COS were on time 76% of the time.
Key facts
- Flights departing City of Colorado Springs Municipal Airport (COS) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.1% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (89% on time); United Airlines was the least (76%).
- Departures scheduled around 5am did best (92% on time); around 4pm did worst (64%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (40%).
Most delayed routes from COS
Lowest on-time arrival rates among regularly flown routes.
- ORD · Chicago75%1,001 flts
- DFW · Dallas/Fort Worth78%1,933 flts
- LAS · Las Vegas80%861 flts
- DEN · Denver81%5,008 flts
- PHX · Phoenix82%1,001 flts
- DAL · Dallas82%799 flts
- ATL · Atlanta89%589 flts
- SLC · Salt Lake City93%721 flts
Most reliable routes from COS
Highest on-time arrival rates among regularly flown routes.
- SLC · Salt Lake City93%721 flts
- ATL · Atlanta89%589 flts
- DAL · Dallas82%799 flts
- PHX · Phoenix82%1,001 flts
- DEN · Denver81%5,008 flts
- LAS · Las Vegas80%861 flts
- DFW · Dallas/Fort Worth78%1,933 flts
- ORD · Chicago75%1,001 flts
Best airline at COS
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 89% | 1.8% | 10 min | 2 | 627 |
| Envoy Air | 87% | 1.6% | 10 min | 1 | 254 |
| SkyWest Airlines | 83% | 1.5% | 17 min | 6 | 5,783 |
| Southwest Airlines | 80% | 0.3% | 12 min | 9 | 4,457 |
| Allegiant Air | 78% | 0.4% | 25 min | 3 | 265 |
| American Airlines | 76% | 2.9% | 29 min | 1 | 1,040 |
| United Airlines | 76% | 0.9% | 19 min | 2 | 759 |
Best time to fly out of COS
On-time arrival rate by scheduled departure hour (local time).
- 5am92%834 flts
- 6am92%1,555 flts
- 7am90%1,290 flts
- 8am89%903 flts
- 9am85%710 flts
- 10am86%975 flts
- 11am81%1,054 flts
- 12pm76%1,369 flts
- 1pm80%1,059 flts
- 2pm72%311 flts
- 3pm66%646 flts
- 4pm64%553 flts
- 5pm69%984 flts
- 6pm68%569 flts
- 7pm70%181 flts
- 8pm70%162 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)40%
- Late-arriving aircraft32%
- Air traffic control & airport congestion20%
- Extreme weather8%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.