Portuguese union representatives have said the strikes are motivated by below-par labour conditions, including disciplinary processes and threats for not reaching in-flight sales objectives.

Asked whether there will by flight cancellations, Ryanair Chief Executive Michael O'Leary, who was in Vienna to promote the Laudamotion cooperation, said: "It depends on how many disruptions there are. We can't rule it out but it will be small scale".

Ryanair has scheduled 90 flights to and from Portugal for Thursday, he said.

 

Copyright Reuters, 2018