Legal expert details what travelers are entitled to after massive East Coast flight cancellations

After a severed fiber optic cable disrupted thousands of flights to and from East Coast airports on Monday, customers are entitled to a full refund under U.S. law, but they also have other options, Eric Napoli, the chief legal officer at AirHelp, told Fox News Digital.

"Under U.S. domestic law on flights, the rules are that you're entitled to a full cash refund," Napoli explained.

"If you are flying to and from Europe and fall under European rules, if the cause of the delay is directly attributable to the airline...