Airport · COS · Colorado Springs, Colorado
Colorado Springs, CO
Colorado Springs, CO posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 134,711 flights (2020–2025); its biggest delay driver is carrier.
Data updated 2026-06-13
- 80.4%
- On-time
- Top 82%
- on-time, US airports
- 75 min
- Delay when late
- 0.96%
- Cancelled
Key Performance Metrics
Total Flights
134,711
Best Month
Nov 93.5%
Worst Month
Jul 87.8%
Delayed
26,469
Cancelled
1,292
COS on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Where COS sits among all 382 tracked airports
COS's 80.4% on-time rate falls in the 80-85% band, the 192-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows COS is marked in the 80-85% band.
Delay Cause Breakdown
Top delay cause: Carrier. Total delay minutes: 946,784.
COS - seasonal on-time pattern
Best: November (93.5%) · worst: July (87.8%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: November (93.5% on-time). Most delays: July (87.8% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 1,901 | 383 | 21 | 90.7% |
| November | 1,878 | 280 | 15 | 93.5% |
| October | 2,032 | 353 | 9 | 92.3% |
| September | 1,964 | 316 | 5 | 92.8% |
| August | 2,067 | 466 | 15 | 90.2% |
| July | 2,063 | 576 | 18 | 87.8% |
| June | 1,868 | 481 | 15 | 89.1% |
| May | 1,794 | 363 | 15 | 91.1% |
| April | 1,775 | 295 | 26 | 92.7% |
| March | 1,847 | 307 | 38 | 92.7% |
| February | 1,562 | 278 | 19 | 92.3% |
| January | 1,701 | 313 | 22 | 91.7% |
Year-Over-Year Performance
Annual flight volume and on-time trends at COS.
COS - on-time rate by year
2020–2025, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2025 | 26,720 | 2,717 | 186 | 89.8% |
| 2024 | 25,309 | 2,153 | 140 | 91.5% |
| 2023 | 23,169 | 2,053 | 161 | 91.1% |
| 2022 | 23,736 | 2,127 | 296 | 91% |
| 2021 | 23,226 | 1,940 | 268 | 91.6% |
| 2020 | 12,551 | 654 | 241 | 94.8% |
Cancellation & Diversion Analysis
Flight disruption statistics for Colorado Springs, CO.
Cancellation Rate
0.96%
1,292 of 134,711 flights
Diversion Rate
0.15%
196 of 134,711 flights
Delay Rate
19.6%
26,469 of 134,711 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2025 | 2,227 | 256 | 294 | 8 | 0 |
| Nov 2025 | 2,224 | 181 | 213 | 46 | 0 |
| Oct 2025 | 2,454 | 200 | 249 | 3 | 3 |
| Sep 2025 | 2,312 | 175 | 207 | 8 | 4 |
| Aug 2025 | 2,473 | 285 | 364 | 11 | 9 |
| Jul 2025 | 2,540 | 343 | 451 | 24 | 8 |
| Jun 2025 | 2,346 | 306 | 422 | 15 | 5 |
| May 2025 | 2,206 | 248 | 286 | 16 | 2 |
| Apr 2025 | 2,058 | 218 | 241 | 14 | 3 |
| Mar 2025 | 2,074 | 142 | 185 | 19 | 2 |
| Feb 2025 | 1,858 | 164 | 217 | 9 | 1 |
| Jan 2025 | 1,948 | 199 | 257 | 13 | 0 |
| Dec 2024 | 2,100 | 170 | 206 | 5 | 3 |
| Nov 2024 | 2,091 | 131 | 183 | 33 | 0 |
| Oct 2024 | 2,282 | 143 | 155 | 0 | 0 |
| Sep 2024 | 2,154 | 162 | 181 | 0 | 0 |
| Aug 2024 | 2,258 | 229 | 293 | 6 | 1 |
| Jul 2024 | 2,440 | 271 | 389 | 14 | 3 |
| Jun 2024 | 2,340 | 221 | 317 | 13 | 5 |
| May 2024 | 2,136 | 243 | 319 | 16 | 5 |
| Apr 2024 | 1,944 | 147 | 204 | 6 | 2 |
| Mar 2024 | 1,944 | 142 | 196 | 24 | 2 |
| Feb 2024 | 1,709 | 124 | 156 | 10 | 3 |
| Jan 2024 | 1,911 | 170 | 227 | 13 | 3 |
Top Routes from COS
Busiest routes to and from Colorado Springs, CO.
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Colorado Springs, CO's 80.4%.
Other Airports in Colorado
Compare performance with other Colorado airports.
Denver, CO
Denver · 3,293,040 flights
Aspen, CO
Aspen · 78,805 flights
Grand Junction, CO
Grand Junction · 47,063 flights
Durango, CO
Durango · 42,722 flights
Eagle, CO
Eagle · 37,271 flights
Montrose/Delta, CO
Montrose/Delta · 32,233 flights
Hayden, CO
Hayden · 27,069 flights
Gunnison, CO
Gunnison · 9,819 flights
Keep exploring
More flight data around Colorado Springs, CO.
Colorado flight data
Statewide on-time and delay aggregates, plus every reporting airport in Colorado.
View CO data →Airport rankings
See where COS sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put COS head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About COS
Colorado Springs, CO in Colorado Springs, Colorado handled 134,711 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 80.4% on-time departure rate. Of those flights, 26,469 experienced delays, 1,292 were cancelled, and 196 were diverted. The cancellation rate works out to 0.96%, the diversion rate to 0.15%, and the average delay when departures run late is 75.0 minutes. These figures are the baseline for comparing COS against other airports in the same state and nationally.
Breaking down what drives delays at COS, Carrier leads the pack. Carrier accounts for 42.0% of total delay minutes, followed by Late Aircraft at 32.9% and NAS (National Aviation System) at 18.0%. Weather contributes 7.1% of delay minutes at this airport, while security holds the smallest share at 0.0%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, November runs the cleanest at COS with a 93.5% on-time rate, while July is the roughest at 87.8% - a 6-point swing between best and worst month. Volume peaks in August, when average flights hit 2,067. The busiest route connecting COS is to DEN (Denver), with 22,924 flights at a 80.3% on-time rate. Combine these numbers - 80.4% on-time, 75.0-minute average delay, 0.96% cancellation rate, and you have a concrete picture of departure reliability at Colorado Springs, CO.
Frequently Asked Questions
What is the on-time performance rate at Colorado Springs, CO (COS)? ▼
What is the most common cause of delays at COS? ▼
What is the average delay time at COS? ▼
What is the best month to fly from COS? ▼
What is the worst month for delays at COS? ▼
How many routes operate from COS? ▼
What is the cancellation rate at COS? ▼
Flight Guides
Data-driven guides to help you understand airport and flight performance.
Explore PlainFlights
Read our methodology - how this data is sourced, computed, and verified.
Using COS's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Check the busiest route from COS before you book a connection. See top routes
- Travel in November rather than July if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.