DEC

Decatur Airport

ICAO KDEC39.8346°N 88.8657°W682 ft / 208 mMedium airport
On the map
KDEC Airport Diagram
Federal Aviation Administration (FAA) · Public domain · Commons

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 · 1945–1945
MAR 1945
OpenedDecatur Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
Decatur Airport
06/24059° / 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

2015–2025
16K
16K
16K
18K
17K
7K
17K
33K
46K
34K
21K
1516171819202122232425

Routes

1 destinations · 1 country

Straight 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 · country
Passengers21K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#2,411of 3,974 · #564 North America · #390 USLongest runway8,496 ft2,590 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft#2,165of 29,823 · #478 North America · #355 USElevation682 ft208 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=23,749of 43,341 · =11,352 North America · =9,413 USAgeOpened 19452026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=2,524of 15,079 · =1,492 North America · =1,440 USRunways31 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=151of 29,943 · =83 North America · =81 US
Scale: 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 channels
A/DCHAMPAIGN APP/DEP132.850
ATISATIS126.350
CTAFCTAF118.900
GNDGND121.750
RDOST LOUIS RDO122.300
TWRTWR118.900
UNICUNICOM122.950