DLH Duluth International Airport

The IATA airport code for Duluth International Airport is DLH.

The ICAO code for Duluth International Airport is KDLH.

Duluth International Airport (DLH) is located in Duluth, United States.

The local time zone at Duluth International Airport (DLH) is America/Chicago (GMT-5).

About 18 scheduled departures were counted at Duluth International Airport (DLH) when flight schedules were last measured on September 4, 2026.

For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.

The board on this page shows arrivals and departures for Duluth International Airport (DLH). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.