Airports › Colorado
Airport · 12 months to July 2026
City of Colorado Springs Municipal: delays and on-time record
Colorado Springs, Colorado
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. Data through July 2026; this is a monthly history, not live airport status.
City of Colorado Springs Municipal (COS) in Colorado Springs, Colorado had 13,185 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 36 a day, on 18 routes.
79.1% of those flights left the gate less than 15 minutes late, 3.0 points above the national departure figure of 76.1%. Flights arriving at COS were on time 74.9% of the time, 1.1 points below the national arrival figure of 76.0%.
1.1% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 16.8 min.
SkyWest Airlines is the largest reporting carrier at COS with 44% of departures. Among carriers with at least 132 departures, Delta Air Lines had the highest on-time arrival share for its COS departures (87.1%) and American Airlines the lowest (73.2%).
On-time departures are down 0.8 points on the previous 12 months (79.9%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving COS, air carrier 40%, late-arriving aircraft 32% and national aviation system 20%.
- On time 79.8%
- Arrived 15+ minutes late 18.8%
- Cancelled 1.1%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from COS | Arrivals at COS | All reported flights | COS departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 79.1% | 72.9% | 76.1% | 79.9% |
| Arrived on time | 79.8% | 74.9% | 76.0% | 78.0% |
| Cancelled | 1.1% | 1.2% | 1.8% | 1.2% |
| Diverted | 0.3% | 0.2% | 0.3% | 0.2% |
| Average departure delay (late minutes only) | 16.8 min | 17.3 min | 17.4 min | 17.2 min |
| Arrival delay minutes per 100 flights | 1,596 | 1,582 | 1,684 | 1,765 |
| Scheduled flights | 13,185 | 13,183 | 7,043,858 | 12,957 |
12 months to July 2026. The first column follows flights that left COS; the second follows flights that landed there. Year on year, on-time departures moved −0.8 pts.
Airlines at COS
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 5,783 | 44% | 81.4% | 5.2 min | 1.5% |
| WN Southwest Airlines | 4,457 | 34% | 79.1% | 3.7 min | 0.3% |
| AA American Airlines | 1,040 | 8% | 73.2% | 19.2 min | 2.9% |
| UA United Airlines | 759 | 6% | 74.6% | 7.6 min | 0.9% |
| DL Delta Air Lines | 627 | 5% | 87.1% | -4.7 min | 1.8% |
| G4 Allegiant Air | 265 | 2% | 77.0% | 12.5 min | 0.4% |
| MQ Envoy Air | 254 | 2% | 85.0% | -0.4 min | 1.6% |
Departures from COS by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 79.8%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from COS
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| COS–DEN | Colorado Springs to Denver | 5,008 | 79.6% | 3.3 min | 1.1% |
| COS–DFW | Colorado Springs to Dallas/Fort Worth | 1,933 | 75.8% | 16.0 min | 2.5% |
| COS–ORD | Colorado Springs to Chicago | 1,001 | 73.2% | 20.3 min | 2.1% |
| COS–PHX | Colorado Springs to Phoenix | 1,001 | 81.3% | 2.4 min | 0.1% |
| COS–LAS | Colorado Springs to Las Vegas | 861 | 80.1% | 3.5 min | 0.0% |
| COS–DAL | Colorado Springs to Dallas | 799 | 80.9% | 3.9 min | 0.9% |
| COS–SLC | Colorado Springs to Salt Lake City | 721 | 93.1% | -8.7 min | 0.1% |
| COS–ATL | Colorado Springs to Atlanta | 589 | 86.8% | -4.5 min | 1.9% |
| COS–IAH | Colorado Springs to Houston | 247 | 87.4% | -2.2 min | 0.4% |
| COS–HOU | Colorado Springs to Houston | 193 | 87.0% | -6.0 min | 0.0% |
| COS–MDW | Colorado Springs to Chicago | 189 | 73.0% | 7.3 min | 1.1% |
| COS–SAN | Colorado Springs to San Diego | 169 | 65.7% | 15.7 min | 0.0% |
The 12 busiest of 18 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 264 departures, 5 am to 6 am had the highest on-time share (93.0% of 834 flights) and 4 pm to 5 pm the lowest (59.9% of 553).
Delay causes
Cancellations by reported reason (150 in the period): air carrier 13%, weather 60%, national aviation system 27%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for COS on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave COS on time?
79.1% of the 13,185 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 1.1% were cancelled.
How often do flights arrive at COS on time?
74.9% of 13,183 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at COS?
Counting departures from COS and whether they reached their destination on time, Delta Air Lines had the highest share (87.1% of 627 flights), then Envoy Air (85.0%) and SkyWest Airlines (81.4%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at COS?
For departures from COS that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 40%, late-arriving aircraft 32%, national aviation system 20%, extreme weather 8%, security 0%.
What time of day has the highest on-time share at COS?
Departures scheduled from 5 am to 6 am local time left on time 93.0% of the time, the highest of any hour with enough flights to compare; 4 pm to 5 pm was lowest at 59.9%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 79.1%, down 0.8 points on the previous 12 months (79.9%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at COS?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.