COS
City of Colorado Springs Municipal Airport
City of Colorado Springs Municipal Airport (IATA: COS, ICAO: KCOS) is a large airport in Colorado Springs, Colorado, United States. It opened in 1927. It has 3 runways; the longest is 13,500 ft (4,115 m). In 2025 it handled 2.5 million passengers.
Timeline
2 events · 1927–19911927
OpenedCity of Colorado Springs Municipal Airport opens.
03 MAR 1991
DisasterUnited Airlines Flight 585.5 killed
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF17L/35R180° / 360° · LIT
LENGTH13,500 ft4,115 mWIDTH150 ft46 mSURFACEConcrete
17R/35L180° / 360° · LIT · SLOPE 1.2%
LENGTH11,022 ft3,360 mWIDTH150 ft46 mSURFACEAsphalt
13/31135° / 315° · LIT
LENGTH8,270 ft2,521 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2014–20251.2M
1.2M
1.4M
1.7M
1.8M
1.7M
734K
2.0M
2.3M
2.5M
2.5M
2.5M
141516171819202122232425
Routes
10 destinations · 1 countryYear-round9
DENDenver International AirportUnited States · United Express, United Airlines117 km73 miSLCSalt Lake City International AirportUnited States · Delta Connection660 km410 miAZAMesa Gateway AirportUnited States · Allegiant Air874 km543 miDFWDallas Fort Worth International AirportUnited States · American Eagle953 km592 miIAHGeorge Bush Intercontinental AirportUnited States · United Express1,302 km809 miSNAJohn Wayne Orange County International AirportUnited States · Allegiant Air1,310 km814 miORDChicago O'Hare International AirportUnited States · United Express, American Eagle1,463 km909 miATLHartsfield Jackson Atlanta International AirportUnited States · Delta Air Lines1,903 km1,182 miPIESt. Petersburg Clearwater International AirportUnited States · Allegiant Air2,367 km1,471 miMost destinationsUnited Express 3Allegiant Air 3Delta Connection 2American Eagle 2United Airlines 1Delta Air Lines 1
Straight lines are great circles; rings mark true distance from COS. Dashed: seasonal or charter. From the Wikipedia article “Colorado Springs Airport” (revision of 27 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
12 channelsAPPSPRINGS APP118.500
ATISATIS125.000
CLDCLNC DEL134.450
CTAFCTAF124.150
DEPSPRINGS DEP124.000
GNDGND121.700
OPSAFRC OPS29.840
PMSVPMSV PETERSON METRO34.920
PTDPETERSON PTD122.850
RDODENVER RDO122.250
TWRSPRINGS TWR119.900
UNICUNICOM122.950