Several transport bodies in Italy have announced possible strike action on January 27.
Alitalia: 13h30-17h30
Gesap Palermo: 12h00-16h00
Meridiana PilotsL 24-hours
Società Aeroportuali Lazio: 13h10-17h30
A strike must be announced and because of the “announcement effect”, a strike call can cause considerable disruption, even though the strike itself is cancelled.
Travelinfo.ca