# Duluth International Airport (DLH / KDLH)

**Duluth International Airport** (IATA: DLH, ICAO: KDLH) is a medium airport in Duluth, Minnesota, United States. It opened in 1940. It has 2 runways; the longest is 10,591 ft (3,228 m). In 2025 it handled 283 thousand passengers.

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

## At a glance

- IATA / ICAO: DLH / KDLH
- FAA: DLH
- Type: Medium airport
- Owner: Duluth
- Serves: Duluth, Minnesota, United States
- Opened: 1940
- Elevation: 1,428 ft / 435 m
- Coordinates: 46.8419, -92.1987
- Runways: 2
- Longest runway: 10,591 ft / 3,228 m
- Instrument procedures: 12 approaches
- Passengers: 283,182 (2025)
- Time zone: UTC-6/-5 · America/Chicago
- Website: http://www.duluthairport.com/
- Wikipedia: https://en.wikipedia.org/wiki/Duluth_International_Airport (12 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3277758
- Weather station: KDLH · WMO 72745
- Ident: KDLH

## Timeline

- 1940: Duluth International Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 09/27 | 10,591 ft / 3,228 m | 150 ft / 46 m | Concrete | 092° / 272° | yes |
| 03/21 | 5,719 ft / 1,743 m | 150 ft / 46 m | Asphalt | 032° / 212° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/00125AD.PDF

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 262,253 | BTS T-100 Segment |
| 2016 | 253,477 | BTS T-100 Segment |
| 2017 | 241,698 | BTS T-100 Segment |
| 2018 | 276,126 | BTS T-100 Segment |
| 2019 | 311,525 | BTS T-100 Segment |
| 2020 | 129,360 | BTS T-100 Segment |
| 2021 | 216,758 | BTS T-100 Segment |
| 2022 | 237,075 | BTS T-100 Segment |
| 2023 | 252,740 | BTS T-100 Segment |
| 2024 | 272,877 | BTS T-100 Segment |
| 2025 | 283,182 | BTS T-100 Segment |

## Routes

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

### Year-round (2)

- [MSP](https://dromopedia.com/airports/kmsp.md) Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field · United States · 144 mi / 232 km · Delta Connection
- [ORD](https://dromopedia.com/airports/kord.md) Chicago O'Hare International Airport · United States · 397 mi / 639 km · United Express

### Seasonal (1)

- [RSW](https://dromopedia.com/airports/krsw.md) Southwest Florida International Airport · United States · 1,514 mi / 2,437 km · Sun Country Airlines

### Cargo (1)

- [MSP](https://dromopedia.com/airports/kmsp.md) Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field · United States · 144 mi / 232 km · FedEx Express

## Airlines

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

### Passenger (3)

- [Delta Connection](https://dromopedia.com/airlines/delta-connection) · 1
- SY [Sun Country Airlines](https://dromopedia.com/airlines/sun-country-airlines) · 1 · seasonal
- UA [United Express](https://dromopedia.com/airlines/united-express) · 1

### Cargo (1)

- FX [FedEx Express](https://dromopedia.com/airlines/fedex-express) · 1

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 283K (2025) | #1,374 of 3,974 | #309 in North America | #207 in US |
| Longest runway | 10,591 ft / 3,228 m | #782 of 29,858 | #178 in North America | #143 in US |
| Elevation | 1,428 ft / 435 m | #12,628 of 43,403 | #5,450 in North America | #4,171 in US |
| Age | Opened 1940 | =1,114 of 15,079 | =366 in North America | =338 in US |
| Runways | 2 | =715 of 29,978 | =435 in North America | =391 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| A/D | APP/DEP | 125.450 |
| ATIS | ATIS | 124.100 |
| GND | GND | 121.900 |
| POST | ANG COMD POST | 28.890 |
| PTD | PTD | 28.890 |
| RDO | PRINCETON RDO | 122.350 |
| TWR | TWR | 118.300 |
| UNIC | UNICOM | 122.950 |

## Nearby airports

- [HIB](https://dromopedia.com/airports/khib.md) Range Regional Airport · 48 mi / 77 km
- [HYR](https://dromopedia.com/airports/khyr.md) Sawyer County Airport · 67 mi / 108 km
- [LYU](https://dromopedia.com/airports/kelo.md) Ely Municipal Airport · 70 mi / 113 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)
- [Wikipedia: “Duluth International Airport”](https://en.wikipedia.org/w/index.php?title=Duluth_International_Airport&oldid=1372389391), revision of 31 Aug 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/kdlh/data