Airports › Colorado Springs (COS) › May 2026
Airport month · May 2026
City of Colorado Springs Municipal in May 2026
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 May 2026, reporting carriers scheduled 1,119 domestic departures from City of Colorado Springs Municipal (COS). 79.8% left less than 15 minutes late and 82.4% reached their destination on time; 0.9% were cancelled.
Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so COS departures were 2.7 points above the national departure figure.
A year earlier, in May 2025, the airport had 1,103 departures with 76.2% leaving on time: a change of +3.6 points, with flights up 1%.
Flights arriving at COS that month were on time 74.4% of the time (1,120 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 30% and national aviation system 17%.
- On time 82.4%
- Arrived 15+ minutes late 16.4%
- Cancelled 0.9%
- Diverted 0.3%
May 2026 against a year earlier, the airport's year and the nation
| Measure | May 2026 | May 2025 | COS, 12 months to Jul 2026 | All reported flights, May 2026 |
|---|---|---|---|---|
| Departed on time | 79.8% | 76.2% | 79.1% | 77.1% |
| Arrived on time | 82.4% | 72.2% | 79.8% | 77.6% |
| Cancelled | 0.9% | 1.5% | 1.1% | 0.9% |
| Average departure delay (late minutes only) | 16.5 min | 22.9 min | 16.8 min | 16.0 min |
| Scheduled departures a day | 37 | 37 | 36 | 20,391 |
| Scheduled departures | 1,119 | 1,103 | 13,185 | 611,735 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 465 | 42% | 85.6% | 2.5 min | 0.6% |
| WN Southwest Airlines | 376 | 34% | 81.1% | 1.4 min | 0.3% |
| AA American Airlines | 93 | 8% | 72.0% | 30.2 min | 5.4% |
| UA United Airlines | 82 | 7% | 80.5% | -3.1 min | 0.0% |
| DL Delta Air Lines | 59 | 5% | 88.1% | -7.3 min | 1.7% |
| MQ Envoy Air | 25 | 2% | 84.0% | 4.0 min | 0.0% |
| G4 Allegiant Air | 19 | 2% | 68.4% | 34.8 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| COS–DEN | Colorado Springs to Denver | 426 | 85.0% | -1.0 min | 0.2% |
| COS–DFW | Colorado Springs to Dallas/Fort Worth | 165 | 72.7% | 32.6 min | 3.6% |
| COS–ORD | Colorado Springs to Chicago | 94 | 83.0% | -0.7 min | 1.1% |
| COS–PHX | Colorado Springs to Phoenix | 88 | 78.4% | 4.3 min | 0.0% |
| COS–LAS | Colorado Springs to Las Vegas | 79 | 81.0% | -1.4 min | 0.0% |
| COS–SLC | Colorado Springs to Salt Lake City | 62 | 98.4% | -12.5 min | 0.0% |
| COS–ATL | Colorado Springs to Atlanta | 59 | 88.1% | -7.3 min | 1.7% |
| COS–DAL | Colorado Springs to Dallas | 57 | 86.0% | -2.8 min | 1.8% |
| COS–HOU | Colorado Springs to Houston | 31 | 90.3% | -8.5 min | 0.0% |
| COS–IAH | Colorado Springs to Houston | 21 | 81.0% | 2.6 min | 0.0% |
| COS–SAN | Colorado Springs to San Diego | 18 | 50.0% | 17.2 min | 0.0% |
| COS–PIE | Colorado Springs to St. Petersburg | 9 | 77.8% | 57.3 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left COS on time in May 2026?
79.8% of 1,119 scheduled domestic departures left less than 15 minutes late, and 82.4% reached their destination on time. The national figures that month were 77.1% and 77.6%.
How does that compare with a year earlier?
In May 2025, 76.2% of 1,103 departures left on time and 1.5% were cancelled, against 79.8% and 0.9% in May 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.