Drone incursions disrupt Copenhagen & Oslo flights

Drone incursions forced more than 30 flight diversions at Copenhagen (CPH) and Oslo Gardermoen (OSL) on September 29, 2025.

Unauthorized drone activity disrupted inbound and outbound operations for several hours on September 29, 2025, with airlines reporting delays and rerouting that affected hundreds of passengers. Copenhagen Airport (IATA: CPH, ICAO: EKCH) and Oslo Gardermoen (IATA: OSL, ICAO: ENGM) both recorded operational impacts as security protocols were enforced to protect the airspace.

Danish and Norwegian authorities have launched formal investigations into the incidents. Airport operators and national aviation agencies confirmed that air traffic control responded by rerouting and holding aircraft until controllers deemed the airspace safe, while airlines coordinated passenger rebooking and ground transport where needed.

Drone incursions: what happened and why it matters

The incursions interrupted schedules across a range of short- and medium-haul services, with more than 30 flights diverted away from the affected airports. While full operational normalcy returned after several hours, the immediate effect was cascading delays and disruptions—typical when airports temporarily restrict movements to mitigate potential collision risks posed by small unmanned aircraft.

Authorities did not immediately name suspects or provide details on the drone operators; investigations are ongoing. Both airports urged travellers to check airline notices and airport websites for live updates and rebook options. Airlines involved have been working to assist passengers and to repatriate aircraft to planned routes as conditions allowed.

If your flight was diverted due to drone incursions: check your airline’s status page, expect delays, and keep receipts for any disruption-related expenses.
Monitor Copenhagen Airport (CPH) and Oslo Gardermoen (OSL) official channels for updates.
Allow extra time for connecting flights and follow airline rebooking guidance.

Events like these highlight how vulnerable busy terminal airspace can be to unauthorized drones and why enforcement and public awareness remain priorities. Officials in Denmark and Norway will release findings as the investigations progress; passengers affected on September 29 are advised to stay in touch with their carriers for refunds, reroutes, or compensation options where eligible.