Duluth International Airport
Duluth, United StatesDLH / KDLH
Regional airport · 6 direct destinations · 2 runways · longest runway 10,591 ft
47 °F · Partly cloudySource: METAR observation via the NOAA Aviation Weather Center
Route
Same local time in Duluth and Grand Forks.
Observed nonstop
Frequency
Daily at most
On average around 1 flights a day, observed from October 2025 to September 2026.
Through the year
In December 2025 we saw less traffic at Duluth in general than usual; compare that month with care.
Airlines
Through the day
Local time in Duluth. Most departures between 07:00 and 10:00.
Through the week
Fleet
| Month | Per day | Seen | Airlines |
|---|---|---|---|
| January 2026 | 1 | 10 | – |
| February 2026 | 1 | 4 | – |
| March 2026 | 1 | 6 | – |
| April 2026 | 1 | 7 | – |
| May 2026 | 1 | 5 | – |
| June 2026 | 1 | 5 | – |
| July 2026 | 1 | 6 |
|
| August 2026 | 1 | 13 |
|
| September 2026 | 1 | 8 |
|
| October 2025 | 1 | 10 | – |
| November 2025 | 1 | 7 | – |
| December 2025 | 1 | 4 | – |
From observed callsign routes on DLH-GFK - not a booking guarantee.
Duluth, United StatesDLH / KDLH
Regional airport · 6 direct destinations · 2 runways · longest runway 10,591 ft
47 °F · Partly cloudySource: METAR observation via the NOAA Aviation Weather Center
Grand Forks, United StatesGFK / KGFK
Regional airport · 12 direct destinations · 4 runways · longest runway 7,352 ft
49 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center
The observed direct connection between Duluth International Airport (DLH) and Grand Forks International Airport (GFK) covers approximately 245 mi. The estimated flight time is around 1h. University of North Dakota has been observed on this connection in the available route data.
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.
Route data updated on October 11, 2026.