Airport
City of Colorado Springs Municipal Airport
COS · Colorado Springs, CO
- IATA Code
- COS
- ICAO Code
- KCOS
- City
- Colorado Springs
- Country
- United States
- Website
- flycos.coloradosprings.gov
City of Colorado Springs Municipal Airport is a major airport serving Colorado Springs, CO. Its IATA code is COS and its ICAO code is KCOS.
The airfield sits 6,187 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through COS recently? Share your experience to help other travelers.
COS by the numbers
IATA COS · ICAO KCOS · 6,187 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #195 of 358 U.S. airports for on-time departures
- On-time departures
- 79.8%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13,158
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 32%
- Air traffic control & airport 20%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from COS
| Route | Flights | On time |
|---|---|---|
| Denver (DEN) | 4,989 | 81% |
| Dallas-Fort Worth (DFW) | 1,933 | 78% |
| Phoenix (PHX) | 1,003 | 81% |
| Chicago (ORD) | 1,001 | 75% |
| Las Vegas (LAS) | 865 | 80% |
| Dallas (DAL) | 786 | 81% |
| Salt Lake City (SLC) | 721 | 92% |
| Atlanta (ATL) | 597 | 89% |
| Houston (IAH) | 236 | 86% |
| Houston (HOU) | 211 | 87% |
Airlines departing COS
| Airline | Flights | On-time departures |
|---|---|---|
| SkyWest Airlines | 5,898 | 82% |
| Southwest Airlines | 4,454 | 77% |
| American Airlines | 1,037 | 77% |
| United Airlines | 706 | 78% |
| Delta Air Lines | 604 | 87% |
| Allegiant Air | 259 | 81% |
| Envoy Air | 200 | 88% |
Runways
| Runway | Length | Surface |
|---|---|---|
| 17L/35R | 13,500 ft | CON, lighted |
| 17R/35L | 11,022 ft | ASP, lighted |
| 12/30 | 8,272 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 125.000 MHz
- Tower 119.900 MHz
- Ground 121.700 MHz
- Clearance delivery 134.450 MHz
- Departure 124.000 MHz
- Approach 118.500 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: COS, KCOS, Colorado Springs airport, City of Colorado Springs Municipal Airport
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