German news agency dpa reported that flights were canceled Tuesday for eight hours until 12:30 p.m. local time (1130 GMT). Flight attendants are demanding, among other things, more reliable work schedules.
The ver.di union says the strike is a reaction to Eurowings’ refusal to further negotiate working conditions.
Eurowings, which belongs to Lufthansa, has condemned the strike and rejected the union’s allegations.
A Eurowings spokesperson could not immediately say how many passengers were affected by the strike.