DEC
Decatur Airport
Decatur Airport (IATA: DEC, ICAO: KDEC) is a medium airport in Decatur, Illinois, United States. It opened in Mar 1945. It has 3 runways; the longest is 8,496 ft (2,590 m). In 2025 it handled 21 thousand passengers.
Timeline
1 event · 1945–1945MAR 1945
OpenedDecatur Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF06/24059° / 239° · LIT
LENGTH8,496 ft2,590 mWIDTH150 ft46 mSURFACEAsphalt
12/30119° / 299° · LIT
LENGTH6,799 ft2,072 mWIDTH150 ft46 mSURFACEAsphalt
18/36179° / 359° · LIT
LENGTH5,298 ft1,615 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2015–202516K
16K
16K
18K
17K
7K
17K
33K
46K
34K
21K
1516171819202122232425
Routes
1 destinations · 1 countryStraight lines are great circles; rings mark true distance from DEC. US DOT BTS T-100, 2025: passengers flown from DEC, all carriers, routes with 12 or more departures.
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
7 channelsA/DCHAMPAIGN APP/DEP132.850
ATISATIS126.350
CTAFCTAF118.900
GNDGND121.750
RDOST LOUIS RDO122.300
TWRTWR118.900
UNICUNICOM122.950