Flights resumed "progressively" on Saturday at Munich airport, but delays were expected after a drone scare caused a second shutdown in as many days, affecting over 6,500 passengers, the operator said.
Airports in Denmark, Norway and Poland have recently suspended flights due to unidentified drones, while Romania and Estonia have pointed the finger at Russia, which has brushed off the allegations.
Munich airport said that on Friday "from 9:30 pm air traffic was restricted and then cancelled due to drone sightings", meaning 23 incoming flights were diverted and 12 bound for Munich were cancelled.
Forty-six departures from the airport had to be cancelled or delayed until Saturday, with a total of 6,500 passengers affected.
Traffic resumed at 7:00 am Saturday (0500 GMT) but with delays, and of the 1,000 departures or arrivals scheduled, some 170 were canceled for "operational reasons", the airport said.
The disruptions came as the country celebrated German Unity Day on Friday.
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