Hundreds of U.S. flights were canceled over Labor Day weekend as Hurricane Dorian continues to approach the eastern seaboard.

As many as 600 flights scheduled for Monday have been canceled, USA Today reported, citing flight tracker FlightAware.

The majority of the cancellations stem from Florida airports, including 227 flight cancellations to and from Orlando’s main airport and 62 flights from Orlando Sanford International Airport. Fort Lauderdale International Airport canceled upwards of 160 flights to and from the city. West Palm Beach canceled nearly 100 trips, according to flight tracker.

Read more at The Hill.