A two-day strike by workers at Munich Airport, Germany’s second-biggest, has started. The airport operator said Thursday that airlines had canceled about 80% of their flights to and from Munich and further cancelations were not ruled out.

Germany's Munich and Hamburg airports were hit by strikes by public sector union Verdi on Thursday and Friday, with airlines cancelling about 80% of flights in Munich.

A trade union has called a strike for workers Germany's second largest airport on Thursday and Friday. Travel disruptions loom as airlines are set to cancel around 1,600 flights over two days.

Verdi Strike Results in Major Flight Cancellations

Public sector workers and ground staff at Munich Airport will go on a two-day strike starting Thursday after wage negotiations ended without result, the Verdi union said on Monday.

A two-day strike by airport workers, called by the verdi trade union in a public sector wage dispute, has begun at Munich Airport. Airlines have cancelled 80% of scheduled flights for Thursday and Friday,