MILAN — Italy’s struggling ******* Alitalia has cancelled over 300 flights because of a 24-hour ****** called to ******* deteriorating conditions in the sector, including the government’s failure to relaunch the carrier.

Alitalia says it cancelled about half of its flights, both domestic and international, due to the ****** Tuesday.

But it says it has reorganized schedules so that at least half of the affected passengers could fly the same day. Flights are guaranteed by law from 7 a.m. to 10 a.m. local and from 6 p.m. to 9 p.m.

The country’s main transport union called the 24-hour ****** to push for a deal that will guarantee the future of Alitalia, but also more generally for the renewal of a national contract and other measures to support workers.