Airport
Decatur Airport
DEC · Decatur, IL
- IATA Code
- DEC
- ICAO Code
- KDEC
- City
- Decatur
- Country
- United States
Decatur Airport is a regional airport serving Decatur, IL. Its IATA code is DEC and its ICAO code is KDEC.
The airfield sits 682 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through DEC recently? Share your experience to help other travelers.
DEC by the numbers
IATA DEC · ICAO KDEC · 682 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #227 of 358 U.S. airports for on-time departures
- On-time departures
- 78.9%
- Less than 15 minutes late
- Cancelled
- 5.4%
- Of scheduled flights
- Average delay when late
- 104 min
- Flights arriving 15+ minutes late
- Flights tracked
- 627
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 17%
- Extreme weather 8%
- 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
Airlines departing DEC
| Airline | Flights | On-time departures |
|---|---|---|
| SkyWest Airlines | 627 | 79% |
Terminals, parking & amenities
Terminals (1)
- Decatur Airport
Parking (13)
- Gaitros Aviation FBO
Map data © OpenStreetMap contributors, ODbL.
Runways
| Runway | Length | Surface |
|---|---|---|
| 06/24 | 8,496 ft | PEM, lighted |
| 12/30 | 6,799 ft | PEM, lighted |
| 18/36 | 5,298 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 126.350 MHz
- Tower 118.900 MHz
- Ground 121.750 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: DEC, KDEC, Decatur airport, Decatur Airport
Reviews
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