# Quad City International Airport (MLI / KMLI)

**Quad City International Airport** (IATA: MLI, ICAO: KMLI) is a medium airport in Moline, Illinois, United States. It opened in 1910. It has 3 runways; the longest is 10,002 ft (3,049 m). In 2025 it handled 683 thousand passengers.

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

## At a glance

- IATA / ICAO: MLI / KMLI
- FAA: MLI
- Type: Medium airport
- Serves: Moline, Illinois, United States
- Opened: 1910
- Elevation: 590 ft / 180 m
- Coordinates: 41.4485, -90.5075
- Runways: 3
- Longest runway: 10,002 ft / 3,049 m
- Instrument procedures: 6 approaches
- Passengers: 682,800 (2025)
- Time zone: UTC-6/-5 · America/Chicago
- Website: http://qcairport.com/
- Wikipedia: https://en.wikipedia.org/wiki/Quad_Cities_International_Airport (12 languages)
- Wikidata: https://www.wikidata.org/wiki/Q1629309
- Weather station: KMLI · WMO 72544
- Ident: KMLI

## Timeline

- 1910: Quad City International Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 09/27 | 10,002 ft / 3,049 m | 150 ft / 46 m | Concrete | 091° / 271° | yes |
| 13/31 | 7,301 ft / 2,225 m | 150 ft / 46 m | Asphalt | 127° / 307° | yes |
| 05/23 | 3,514 ft / 1,071 m | 150 ft / 46 m | Concrete | 049° / 229° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/00269AD.PDF

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2014 | 738,398 | Wikidata |
| 2015 | 737,735 | BTS T-100 Segment |
| 2016 | 726,899 | BTS T-100 Segment |
| 2017 | 671,782 | BTS T-100 Segment |
| 2018 | 707,650 | BTS T-100 Segment |
| 2019 | 706,986 | BTS T-100 Segment |
| 2020 | 298,537 | BTS T-100 Segment |
| 2021 | 490,958 | BTS T-100 Segment |
| 2022 | 538,185 | BTS T-100 Segment |
| 2023 | 541,700 | BTS T-100 Segment |
| 2024 | 652,005 | BTS T-100 Segment |
| 2025 | 682,800 | BTS T-100 Segment |

## Routes

6 destinations in 1 country. From the airport's Wikipedia article.

### Year-round (2)

- [SRQ](https://dromopedia.com/airports/ksrq.md) Sarasota Bradenton International Airport · United States · 1,071 mi / 1,723 km · Allegiant Air
- [LAS](https://dromopedia.com/airports/klas.md) Harry Reid International Airport · United States · 1,373 mi / 2,210 km · Allegiant Air

### Seasonal (4)

- [SFB](https://dromopedia.com/airports/ksfb.md) Orlando Sanford International Airport · United States · 1,019 mi / 1,640 km · Allegiant Air
- [PIE](https://dromopedia.com/airports/kpie.md) St. Petersburg Clearwater International Airport · United States · 1,035 mi / 1,665 km · Allegiant Air
- [PGD](https://dromopedia.com/airports/kpgd.md) Punta Gorda Airport · United States · 1,114 mi / 1,793 km · Allegiant Air
- [AZA](https://dromopedia.com/airports/kiwa.md) Mesa Gateway Airport · United States · 1,286 mi / 2,069 km · Allegiant Air

## Airlines

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

### Passenger (1)

- G4 [Allegiant Air](https://dromopedia.com/airlines/allegiant-air) · 6

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 683K (2025) | #976 of 3,974 | #236 in North America | #166 in US |
| Longest runway | 10,002 ft / 3,049 m | =1,039 of 29,858 | =225 in North America | =175 in US |
| Elevation | 590 ft / 180 m | #25,596 of 43,403 | #12,308 in North America | #10,260 in US |
| Age | Opened 1910 | =25 of 15,079 | =6 in North America | =6 in US |
| Runways | 3 | =151 of 29,978 | =83 in North America | =81 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| A/D | APP/DEP | 118.200 |
| ATIS | ATIS | 121.200 |
| CLD | CLNC DEL | 123.950 |
| CTAF | CTAF | 119.400 |
| GND | GND | 121.900 |
| RDO | KANKAKEE RDO | 122.600 |
| TWR | TWR | 119.400 |
| UNIC | UNICOM | 122.950 |

## Nearby airports

- [BRL](https://dromopedia.com/airports/kbrl.md) Southeast Iowa Regional Airport · 56 mi / 90 km
- [DBQ](https://dromopedia.com/airports/kdbq.md) Dubuque Regional Airport · 67 mi / 107 km
- [PIA](https://dromopedia.com/airports/kpia.md) General Wayne A. Downing Peoria International Airport · 69 mi / 111 km
- [CID](https://dromopedia.com/airports/kcid.md) The Eastern Iowa Airport · 69 mi / 111 km
- [RFD](https://dromopedia.com/airports/krfd.md) Chicago Rockford International Airport · 89 mi / 143 km

## In collections

- [Oldest airports still open](https://dromopedia.com/collections/oldest) #16

## 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)
- [Wikipedia: “Quad Cities International Airport”](https://en.wikipedia.org/w/index.php?title=Quad_Cities_International_Airport&oldid=1366864941), revision of 30 Jul 2026 (CC BY-SA 4.0)
- [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/kmli/data
