We are in Sicily scheduled to fly to Rome Wednesday, to US on Thursday. Following this news closely. So far our flights are not cancelled but these strikes often have a ripple effect so I thought I’d post this https://www.thesun.co.uk/travel/9112932/italy-strike-cancelled-flights-airport/.
It's an Alitalia strike; more on this:
https://www.thelocal.it/20190520/alitalia-strike-half-of-flights-to-and-from-italy-cancelled