DLH
Duluth International Airport

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.
Timeline
1 event · 1940–19401940
OpenedDuluth International Airport opens.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF09/27092° / 272° · LIT
LENGTH10,591 ft3,228 mWIDTH150 ft46 mSURFACEConcrete
03/21032° / 212° · LIT
LENGTH5,719 ft1,743 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2015–2025262K
253K
242K
276K
312K
129K
217K
237K
253K
273K
283K
1516171819202122232425
Routes
3 destinations · 1 countryYear-round2
MSPMinneapolis–Saint Paul International Airport / Wold–Chamberlain FieldUnited States · Delta Connection232 km144 miORDChicago O'Hare International AirportUnited States · United Express639 km397 miMost destinationsDelta Connection 1United Express 1Sun Country Airlines 1FedEx Express 1
Straight lines are great circles; rings mark true distance from DLH. Dashed: seasonal or charter. Blue: cargo. From the Wikipedia article “Duluth International Airport” (revision of 31 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
8 channelsA/DAPP/DEP125.450
ATISATIS124.100
GNDGND121.900
POSTANG COMD POST28.890
PTDPTD28.890
RDOPRINCETON RDO122.350
TWRTWR118.300
UNICUNICOM122.950