Duluth International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 28m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Duluth International Airport
Duluth International Airport is a city-owned public-use joint civil-military airport located five nautical miles (9 km) northwest of the central business district of Duluth, a city in Saint Louis County, Minnesota, United States. It serves the Twin Ports area, including Superior, Wisconsin. Mostly used for general aviation but also served by three airlines, it is Minnesota's third-busiest airport, behind Minneapolis–St. Paul International Airport (MSP) and Rochester International Airport.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KDLHNOTAMs
KDLHReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 09 / 27 | 10,591 ft / 3,228 m | 150 ft | Con | Lighted | Open |
| 03 / 21 | 5,719 ft / 1,743 m | 150 ft | Asp | Lighted | Open |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| A/D | APP/DEP | 125.450 MHz |
| ATIS | ATIS | 124.100 MHz |
| GND | GND | 121.900 MHz |
| POST | ANG COMD POST | 28.890 MHz |
| PTD | PTD | 28.890 MHz |
| RDO | PRINCETON RDO | 122.350 MHz |
| TWR | TWR | 118.300 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
Duluth International Airport offers service to Minneapolis, Chicago, and Fort Myers with various airlines.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(3)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Takeoff & alternate minimums (3)
Land-and-hold-short (LAHSO) (1)
Showing 9 of 17 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| DULUTH CLASS D | Class D | Controlled | GND | 3900 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: E (from about 90°), on 12% of observations, averaging 10 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 52% | -990 ft | |
| Feb | 69% | -1,128 ft | |
| Mar | 73% | -251 ft | |
| Apr | 67% | 318 ft | |
| May | 83% | 1,232 ft | |
| Jun | 83% | 1,982 ft | |
| Jul | 87% | 2,300 ft | |
| Aug | 77% | 2,127 ft | |
| Sep | 73% | 1,644 ft | |
| Oct | 67% | 774 ft | |
| Nov | 59% | -113 ft | |
| Dec | 46% | -600 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,128–2,300 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Duluth International Airport.
Frequently asked questions
What is the ICAO code for Duluth International Airport?
The ICAO code for Duluth International Airport is KDLH, and its IATA code is DLH.
Where is Duluth International Airport located?
Duluth International Airport is medium airport located in Duluth, United States, at an elevation of 1,428 ft (435 m).
How many runways does Duluth International Airport have?
Duluth International Airport has 2 runways, the longest being 10,591 ft / 3,228 m.
Which airlines fly to Duluth International Airport?
Airlines historically serving Duluth International Airport include Allegiant Air, Delta Air Lines, United Airlines (based on OpenFlights route data, which may be out of date).
How many destinations are served from Duluth International Airport?
Historical data lists 4 nonstop destinations from Duluth International Airport. Always check current schedules.
What time zone is Duluth International Airport in?
Duluth International Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Duluth International Airport?
The magnetic variation (declination) at Duluth International Airport is approximately 1.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Duluth International Airport?
The nearest airport to Duluth International Airport is Lennartson Airport (MN92), about 6.9 nm to the sw, followed by Superior Aero Estates Airport and Sky Harbor Airport.
Is the information on this page suitable for flight planning?
No. Duluth International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.