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Route

Grand Forks → Duluth

GFKGrand ForksGrand Forks International Airport
DLHDuluthDuluth International Airport
Distance
245 mi
Estimated flight time
~1h

Same local time in Grand Forks and Duluth.

Observed nonstop

View the reverse route

How often does this route fly?

Frequency

Daily at most

On average around 1 flights a day, observed from October 2025 to September 2026.

1
flights per day
1
busiest month · Oct
53 min
measured flight time
12 / 12
months seen

Through the year

Per day, month by month

  1. 1Jan2026
  2. 1Feb
  3. 1Mar
  4. 1Apr
  5. 1May
  6. 1Jun
  7. 1Jul
  8. 1Aug
  9. 1Sep
  10. 1Oct2025
  11. 1Nov
  12. 1Dec

In December 2025, January 2026 we saw less traffic at Grand Forks in general than usual; compare that month with care.

Airlines

Who flies it

University of North Dakotanow and then

Through the day

Departure times

Local time in Grand Forks. Most departures between 13:00 and 16:00.

  1. 00:00
  2. 01:00
  3. 02:00
  4. 03:00
  5. 04:00
  6. 05:00
  7. 06:00
  8. 07:00
  9. 08:00
  10. 09:00
  11. 10:00
  12. 11:00
  13. 12:00
  14. 13:00
  15. 14:00
  16. 15:00
  17. 16:00
  18. 17:00
  19. 18:00
  20. 19:00
  21. 20:00
  22. 21:00
  23. 22:00
  24. 23:00

Through the week

By weekday

  1. 0.1Mon
  2. 0.2Tue
  3. 0.4Wed
  4. 0.1Thu
  5. 0.4Fri
  6. 0.1Sat
  7. 0.1Sun

Fleet

Aircraft observed

  1. SF5047%
  2. Pilatus PC-12PC1217%
  3. SR2011%
  4. P28A5%
  5. S22T5%
All the numbers in a table
MonthPer daySeenAirlines
January 202616–
    February 202613–
      March 202613–
        April 202616–
          May 202614–
            June 202615–
              July 202619
              • University of North Dakota3×
              August 202619–
                September 2026112
                • University of North Dakota3×
                October 202518–
                  November 202516–
                    December 202514–

                      Airlines observed on this route

                      From observed callsign routes on GFK-DLH - not a booking guarantee.

                      University of North Dakota

                      NDU

                      Hub: GFK Grand Forks

                      16 departure airportsView airline →

                      About this route

                      • Domestic route: both airports are in the same country.
                      • The 6th longest observed direct route from GFK, out of 12.
                      • The opposite direction has also been observed as a direct connection.
                      • Direct destinations observed from Grand Forks: 12.
                      • Direct destinations observed from Duluth: 6.

                      The airports on this route

                      Grand Forks International Airport

                      Grand Forks, United StatesGFK / KGFK

                      Regional airport · 12 direct destinations · 4 runways · longest runway 7,352 ft

                      48 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center

                      Airport pageAll direct destinations

                      Duluth International Airport

                      Duluth, United StatesDLH / KDLH

                      Regional airport · 6 direct destinations · 2 runways · longest runway 10,591 ft

                      45 °F · Partly cloudySource: METAR observation via the NOAA Aviation Weather Center

                      Airport pageAll direct destinations

                      About the route from Grand Forks to Duluth

                      The observed direct connection between Grand Forks International Airport (GFK) and Duluth International Airport (DLH) 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.

                      Frequently asked questions about this route

                      How far is Grand Forks from Duluth by air?
                      The great-circle distance between Grand Forks International Airport and Duluth International Airport is approximately 245 mi.
                      How long is the flight from Grand Forks to Duluth?
                      Based on the distance, the estimated flight time is about 1h. This is an estimate, not a schedule.
                      Is there a direct connection from Grand Forks to Duluth?
                      Yes, a direct connection between GFK and DLH has been observed in our route data.
                      Which airlines have been observed on this route?
                      In the available route data: University of North Dakota.
                      How often is there a flight from Grand Forks to Duluth?
                      On average around 1 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 75 observed flights. Mainly University of North Dakota. That is an observation, not a timetable.
                      What is the current time difference between Grand Forks and Duluth?
                      Same local time in Grand Forks and Duluth.

                      Where this data comes from

                      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.