Hurricane idalia has already prompted two airport closures 0u6 out of the busy labor day travel weekend. st. pete clearwater airport in the mandatory evacuation zone will shut down at 3:00 p.m. and the number of flight cancellations are growing ahead of the expected arrival tomorrow. want to bring in pete muntean in washington. what types of disruptions are you expecting? reporter: we re only seeing the start right now. faa is monitoring this. held a teleconference just a bit ago. another one scheduled for 6:00 p.m. because this could be a nationwide impact. just checked flight aware. numbers are going up by the moment, about 650 plus delays, 450 plus cancellations. most of those focused on flights