# Decatur Airport (DEC / KDEC)

**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.

Web page: https://dromopedia.com/airports/kdec

## At a glance

- IATA / ICAO: DEC / KDEC
- FAA: DEC
- Type: Medium airport
- Serves: Decatur, Illinois, United States
- Opened: Mar 1945
- Elevation: 682 ft / 208 m
- Coordinates: 39.8346, -88.8657
- Runways: 3
- Longest runway: 8,496 ft / 2,590 m
- Instrument procedures: 10 approaches
- Passengers: 21,373 (2025)
- Time zone: UTC-6/-5 · America/Chicago
- Website: https://www.decatur-parks.org/airport/
- Wikipedia: https://en.wikipedia.org/wiki/Decatur_Airport (7 languages)
- Wikidata: https://www.wikidata.org/wiki/Q1708068
- Weather station: KDEC
- Ident: KDEC

## Timeline

- Mar 1945: Decatur Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 06/24 | 8,496 ft / 2,590 m | 150 ft / 46 m | Asphalt | 059° / 239° | yes |
| 12/30 | 6,799 ft / 2,072 m | 150 ft / 46 m | Asphalt | 119° / 299° | yes |
| 18/36 | 5,298 ft / 1,615 m | 150 ft / 46 m | Asphalt | 179° / 359° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/00710AD.PDF

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 15,795 | BTS T-100 Segment |
| 2016 | 16,492 | BTS T-100 Segment |
| 2017 | 15,791 | BTS T-100 Segment |
| 2018 | 17,984 | BTS T-100 Segment |
| 2019 | 16,654 | BTS T-100 Segment |
| 2020 | 7,022 | BTS T-100 Segment |
| 2021 | 17,414 | BTS T-100 Segment |
| 2022 | 33,124 | BTS T-100 Segment |
| 2023 | 45,774 | BTS T-100 Segment |
| 2024 | 34,114 | BTS T-100 Segment |
| 2025 | 21,373 | BTS T-100 Segment |

## Routes

1 destination in 1 country. US DOT BTS T-100, 2025: passengers flown from DEC, all carriers, routes with 12 or more departures.

### Year-round (1)

- [ORD](https://dromopedia.com/airports/kord.md) Chicago O'Hare International Airport · United States · 157 mi / 252 km · 10,822 passengers · SkyWest Airlines

## Airlines

The figure is how many destinations each airline flies from DEC, as the routes above have them. Hubs from Wikidata.

### Passenger (1)

- OO [SkyWest Airlines](https://dromopedia.com/airlines/skywest-airlines) · 1

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 21K (2025) | #2,411 of 3,974 | #564 in North America | #390 in US |
| Longest runway | 8,496 ft / 2,590 m | #2,166 of 29,858 | #478 in North America | #355 in US |
| Elevation | 682 ft / 208 m | =23,772 of 43,403 | =11,356 in North America | =9,416 in US |
| Age | Opened 1945 | =2,524 of 15,079 | =1,492 in North America | =1,440 in US |
| Runways | 3 | =151 of 29,978 | =83 in North America | =81 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| A/D | CHAMPAIGN APP/DEP | 132.850 |
| ATIS | ATIS | 126.350 |
| CTAF | CTAF | 118.900 |
| GND | GND | 121.750 |
| RDO | ST LOUIS RDO | 122.300 |
| TWR | TWR | 118.900 |
| UNIC | UNICOM | 122.950 |

## Nearby airports

- [CMI](https://dromopedia.com/airports/kcmi.md) University of Illinois Willard Airport · 34 mi / 55 km
- [SPI](https://dromopedia.com/airports/kspi.md) Abraham Lincoln Capital Airport · 43 mi / 69 km
- [BMI](https://dromopedia.com/airports/kbmi.md) Central Illinois Regional Airport at Bloomington-Normal · 44 mi / 72 km
- [PIA](https://dromopedia.com/airports/kpia.md) General Wayne A. Downing Peoria International Airport · 72 mi / 116 km
- [HUF](https://dromopedia.com/airports/khuf.md) Terre Haute Regional Airport, Hulman Field · 87 mi / 140 km
- [ALN](https://dromopedia.com/airports/kaln.md) St Louis Regional Airport · 91 mi / 146 km

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/kdec/data