NATIONWIDE — Many airlines are preemptively canceling flights ahead of Hurricane Irma. 

Delta is canceling flights that had been scheduled for Wednesday in St. Thomas in preparation for Hurricane Irma's passage through the Caribbean. The airline said it will also delay its evening flights in San Juan, Puerto Rico, and is planning to assess facilities after the storm passes.

United Airlines is suggesting you check your flight status before you go to the airport and signing up to receive flight status messages in the event of changes. They also say on their site that travelers with booked flights to, from or through select airports in the Caribbean and Florida can also use their travel waiver to change their flight.

The storm, according to Delta's release, will begin curving north late Saturday afternoon, passing between Cuba and the Bahamas toward the southern tip of Florida. The airline said its strategic planners are working with employees at airports along the storm’s path.

Southwest Airlines is canceling flights to Punta Cana in the Dominican Republic and San Juan on Wednesday and Thursday.

Southwest is also canceling flights scheduled for Friday and Saturday to Nassau and Havana.

Airport officials are advising travelers to monitor their airline’s communications channels.

Airlines are allowing travelers to change their travel plans without paying certain charges.

To check for updates/learn each's change policies: Allegiant AirAmerican AirlinesFrontier Airlines, Spirit Airlines.

Flightstats.com is also a good place to check any/all flights.