The strike affects also Lufthansa's flights to and from Helsinki. Several flights have been cancelled. Passengers are asked to contact the airline for more information.
Lufthansa flight status: http://www.lufthansa.com/de/en/Arrival-and-Departure-Result
Travel information on Lufthansa website http://www.lufthansa.com/de/en/Travel-information
Helsinki Airport real time flight information
Arrivals
Departures