Airport guide
Capital AirportIATA code SPI
Capital Airport (SPI/KSPI) is the primary air passenger gateway serving Springfield, United States in North America. The airfield connects travelers with essential regional transit routes and operating carrier options.
- Serves
- Springfield, United States
- Codes
- SPI · KSPI
- IATA · ICAO
- Time zone
- America/Chicago
- Region
- North America
Capital Airport (SPI/KSPI) is the primary air passenger gateway serving Springfield, United States in North America. Operating on America/Chicago local time at coordinates 39.840°, -89.680°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Travelers navigating Capital Airport (SPI) are encouraged to confirm terminal layouts, ground transport connections into Springfield, and flight schedules with their operating carrier prior to travel.
Capital Airport details
- IATA code
- SPI
- ICAO code
- KSPI
- City
- Springfield
- Country
- United States
- Region
- North America
- Time zone
- America/Chicago
- Coordinates
- 39.844°, -89.678°
- From OurAirports
Codes, region and time zone come from the Originfacts airport record (last updated 10 Jul 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Capital Airport’s own pages.
SPI airport facts
- Size class
- Medium airport
- From OurAirports (5 Oct 2026); OurAirports’ own classification
- Elevation
- 182 m (598 ft)
- From OurAirports (5 Oct 2026)
- Passengers, 2019
- 150,814
- Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing faa.gov (opens in a new tab)
- Nearest airport with scheduled flights
- Decatur Airport DEC · 69 km
- OurAirports scheduled-service flag; straight-line distance calculated
Runways at SPI
Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.
3 open runways, all lit. Longest 04/22: 2,439 m, concrete.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 04/22 | 2,439 m8,001 ft | 46 m | concrete | Lit |
| 13/31 | 2,255 m7,399 ft | 46 m | asphalt | Lit |
| 18/36 | 1,615 m5,300 ft | 46 m | concrete | Lit |
Routes from SPI
Originfacts does not track any routes from SPI yet, so no route records are listed here. Check current schedules with the airlines or the airport’s own site.
Where SPI is
5.9 km north-northwest
Capital Airport lies 5.9 km north-northwest of Springfield city centre in a straight line. Road distance is longer; transport options are not yet verified (see terminals and transport below).
Calculated from the airport coordinates (OurAirports) and the Wikidata (opens in a new tab) city-centre point.
Terminals, transport and parking at SPI
Terminal assignments, ground transport into Springfield, parking, lounges and accessibility services have not been verified against Capital Airport’s own pages yet, so none are listed here.
Check directly:flyspi.com (opens in a new tab)Map of the airport location (opens in a new tab)
Before you travel
- Confirm your terminal with the operating airline.
- Check the check-in and bag-drop cut-off times on your booking.
- Allow extra time if you need to change terminals or check bags in again.
- Check your flight status before you leave for the airport.
Airports near Springfield
Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.
- DecaturDecatur AirportDEC69 km
- PeoriaPeoria International AirportPIA92 km
- BloomingtonCentral Illinois Regional AirportBMI97 km
- ChampaignWillard University AirportCMI122 km
- QuincyQuincy Municipal AirportUIN130 km
- BellevilleBellevilleBLV133 km
- Saint LouisSpirit of St. Louis AirportSUS135 km
- Saint LouisLambert-St. Louis International AirportSTL136 km
- BurlingtonBurlington AirportBRL161 km
Capital Airport: common questions
Where is Capital Airport?
Capital Airport serves Springfield, United States. Its coordinates in OurAirports are 39.844°, -89.678°.
What are the airport codes for Capital Airport?
The IATA code is SPI and the ICAO code is KSPI.
What time zone is SPI in?
Capital Airport is in the America/Chicago time zone.
What is the official website of Capital Airport?
The airport’s official website is flyspi.com. For questions about a booking, contact the operating airline.
How many runways does Capital Airport have?
OurAirports lists 3 open runways at SPI: 04/22 (2,439 m (8,001 ft), concrete); 13/31 (2,255 m (7,399 ft), asphalt); 18/36 (1,615 m (5,300 ft), concrete).
How many passengers use Capital Airport?
Wikidata records 150,814 passengers for 2019, the latest year it holds.
How far is SPI from Springfield city centre?
Capital Airport is about 5.9 km north-northwest of Springfield city centre in a straight line, calculated from coordinates. The distance by road is longer.
What is the elevation of Capital Airport?
OurAirports gives SPI’s elevation as 182 m (598 ft) above sea level.
Sources
Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Capital Airport’s own pages.
- Codes, location, time zoneOriginfacts airport record10 Jul 2026
- Official websiteWikidata record (official website property) (opens in a new tab)5 Oct 2026
- Coordinates, runways, type, elevationOurAirports (opens in a new tab) — public domain5 Oct 2026
- Opening, operator, passengers, hubsWikidata item Q1320523 (opens in a new tab) — CC05 Oct 2026
- Distance to city centreCalculated from airport coordinates and the Wikidata (opens in a new tab) city-centre point—
- Nearby airportsCalculated from airport coordinates—
- Terminals and transportNot yet verified—
Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)