Hurricane Matthew is already to blame for thousands of flight cancelations nationwide and the number keeps going up by the hour.

Nearly 4,000 flights have been canceled through Saturday. Flight operations have ceased entirely in Fort Lauderdale, and nearly 90 percent of flights in Miami are grounded.

Orlando International Airport announced it will shut down entirely at 8 p.m. ET.

Most airlines have expanded their change-fee waivers to cover most of Florida and the coastal southeast.

This allows travelers to make a one-time change to their itineraries without paying additional charges or fares.

There is no federal law or regulation that specifies what rights you have when an airline cancels your flight.

However, there are two basic rights you have during a routine cancelation: Either a seat on your airline’s next available flight or a refund of the unused portion of your ticket.

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