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Route

Copenhagen → Sonderborg

RKECopenhagenCopenhagen Roskilde Airport
SGDSonderborgSønderborg Airport
Distance
101 mi
Estimated flight time
~40m

Same local time in Copenhagen and Sonderborg.

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
2
busiest month · Jan
1
quietest month · Feb
53 min
measured flight time
7 / 12
months seen

Through the year

Per day, month by month

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

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

Airlines

Who flies it

Air Alsiewinter

Through the day

Departure times

Local time in Copenhagen. Most departures between 07:00 and 10:00.

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

Fleet

Aircraft observed

  1. SIRA38%
  2. Pilatus PC-12PC1214%
  3. Dassault Falcon 7XFA7X7%
  4. Cessna 172C1725%
All the numbers in a table
MonthPer daySeenAirlines
January 202622–
    February 202612
    • Air Alsie1×
    March 2026Not seen in this month.
    April 2026Not seen in this month.
    May 2026110
    • Air Alsie1×
    June 202615
    • Air Alsie2×
    July 202612–
      August 202618–
        September 2026113
        • Air Alsie4×
        October 2025Not seen in this month.
        November 2025Not seen in this month.
        December 2025Not seen in this month.

        Airlines observed on this route

        From observed callsign routes on RKE-SGD - not a booking guarantee.

        Air Alsie

        6I · MMD

        Hub: CPH Copenhagen

        27 departure airportsView airline →

        About this route

        • Domestic route: both airports are in the same country.
        • The opposite direction has also been observed as a direct connection.
        • Direct destinations observed from Copenhagen: 18.
        • Direct destinations observed from Sonderborg: 9.

        The airports on this route

        Copenhagen Roskilde Airport

        Copenhagen, DenmarkRKE / EKRK

        Regional airport · 18 direct destinations · 2 runways · longest runway 5,709 ft

        57 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

        Airport pageAll direct destinations

        Sønderborg Airport

        Sonderborg, DenmarkSGD / EKSB

        Regional airport · 9 direct destinations · 1 runway · longest runway 5,896 ft

        55 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

        Airport pageAll direct destinations

        Alternative airports for this journey

        Same journey, a different airport nearby - with an observed direct connection.

        CPH SGDCopenhagen Kastrup AirportCopenhagen is about 21 mi from Copenhagen.View route →RKE ODEOdense Hans Christian Andersen AirportOdense is about 41 mi from Sonderborg.View route →RKE BLLBillund AirportBillund is about 59 mi from Sonderborg.View route →RKE EBJEsbjerg AirportEsbjerg is about 62 mi from Sonderborg.View route →

        About the route from Copenhagen to Sonderborg

        The observed direct connection between Copenhagen Roskilde Airport (RKE) and Sønderborg Airport (SGD) covers approximately 101 mi. The estimated flight time is around 40m. Air Alsie has been observed on this connection in the available route data.

        Frequently asked questions about this route

        How far is Copenhagen from Sonderborg by air?
        The great-circle distance between Copenhagen Roskilde Airport and Sønderborg Airport is approximately 101 mi.
        How long is the flight from Copenhagen to Sonderborg?
        Based on the distance, the estimated flight time is about 40m. This is an estimate, not a schedule.
        Is there a direct connection from Copenhagen to Sonderborg?
        Yes, a direct connection between RKE and SGD has been observed in our route data.
        Which airlines have been observed on this route?
        In the available route data: Air Alsie.
        How often is there a flight from Copenhagen to Sonderborg?
        On average around 1 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 42 observed flights. Mainly Air Alsie. That is an observation, not a timetable.
        What is the current time difference between Copenhagen and Sonderborg?
        Same local time in Copenhagen and Sonderborg.

        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.