Airports › Colorado Springs (COS) › August 2025
Airport month · August 2025
City of Colorado Springs Municipal in August 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In August 2025, reporting carriers scheduled 1,237 domestic departures from City of Colorado Springs Municipal (COS). 76.1% left less than 15 minutes late and 74.3% reached their destination on time; 0.9% were cancelled.
Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so COS departures were 0.7 points below the national departure figure.
A year earlier, in August 2024, the airport had 1,129 departures with 79.2% leaving on time: a change of −3.1 points, with flights up 10%.
Flights arriving at COS that month were on time 68.5% of the time (1,236 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 30% and national aviation system 28%.
- On time 74.3%
- Arrived 15+ minutes late 24.1%
- Cancelled 0.9%
- Diverted 0.7%
August 2025 against a year earlier, the airport's year and the nation
| Measure | Aug 2025 | Aug 2024 | COS, 12 months to Jul 2026 | All reported flights, Aug 2025 |
|---|---|---|---|---|
| Departed on time | 76.1% | 79.2% | 79.1% | 76.8% |
| Arrived on time | 74.3% | 79.5% | 79.8% | 76.3% |
| Cancelled | 0.9% | 0.5% | 1.1% | 1.1% |
| Average departure delay (late minutes only) | 21.5 min | 18.5 min | 16.8 min | 17.6 min |
| Scheduled departures a day | 41 | 38 | 36 | 20,079 |
| Scheduled departures | 1,237 | 1,129 | 13,185 | 602,378 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 498 | 40% | 74.5% | 17.2 min | 0.4% |
| WN Southwest Airlines | 393 | 32% | 75.6% | 8.5 min | 0.0% |
| AA American Airlines | 96 | 8% | 64.6% | 47.2 min | 5.2% |
| UA United Airlines | 93 | 8% | 61.3% | 20.6 min | 1.1% |
| DL Delta Air Lines | 85 | 7% | 87.1% | -10.5 min | 2.4% |
| MQ Envoy Air | 54 | 4% | 83.3% | 1.9 min | 1.9% |
| G4 Allegiant Air | 18 | 1% | 72.2% | 3.6 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| COS–DEN | Colorado Springs to Denver | 466 | 67.0% | 20.9 min | 0.4% |
| COS–DFW | Colorado Springs to Dallas/Fort Worth | 186 | 70.4% | 32.4 min | 3.2% |
| COS–ORD | Colorado Springs to Chicago | 93 | 75.3% | 10.8 min | 1.1% |
| COS–PHX | Colorado Springs to Phoenix | 78 | 79.5% | 7.3 min | 0.0% |
| COS–DAL | Colorado Springs to Dallas | 75 | 84.0% | 5.9 min | 0.0% |
| COS–LAS | Colorado Springs to Las Vegas | 75 | 80.0% | 7.6 min | 0.0% |
| COS–SLC | Colorado Springs to Salt Lake City | 62 | 88.7% | -6.4 min | 0.0% |
| COS–ATL | Colorado Springs to Atlanta | 54 | 85.2% | -10.8 min | 3.7% |
| COS–MDW | Colorado Springs to Chicago | 33 | 75.8% | 5.4 min | 0.0% |
| COS–IAH | Colorado Springs to Houston | 31 | 87.1% | 8.0 min | 0.0% |
| COS–MSP | Colorado Springs to Minneapolis | 31 | 90.3% | -9.8 min | 0.0% |
| COS–BWI | Colorado Springs to Baltimore | 26 | 69.2% | 2.6 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left COS on time in August 2025?
76.1% of 1,237 scheduled domestic departures left less than 15 minutes late, and 74.3% reached their destination on time. The national figures that month were 76.8% and 76.3%.
How does that compare with a year earlier?
In August 2024, 79.2% of 1,129 departures left on time and 0.5% were cancelled, against 76.1% and 0.9% in August 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for COS · methodology · corrections.