(This story has been updated with new information.)
As Hurricane Helene continues its steady churn toward the U.S., airlines are starting to cancel flights ahead of its arrival.
Already, more than 450 U.S. flights are canceled for Thursday, including most flights in and out of Tallahassee, more than half the flights in and out Tampa, and a third of the flights in and out of Fort Myers, according to online flight tracker FlightAware…