By Emily Rella Flights being delayed and even worse, cancelled, during the surge and chaotic nature of the holiday travel season can leave many feeling disgruntled, agitated and anxious. Sometimes the only thing to do in times of high stress is well, stress eat. For New York City-based travelers, Shake Shack is swooping in to make sure that all flyers facing flight setbacks will be able to do just that without having to spend a dime. Starting Wednesday and lasting until Friday (Christmas Eve), the fast-casual chain will offer one free order of its famous crinkle cut fries to customers whose flights have been delayed or cancelled leaving New York’s JFK airport. The Shake Shack is located inside JFK’s Terminal 4, near gate B37. The cult-favorite burger chain, which is based in New York, has 21 airport locations around the globe, 14 of which are inside the U.S. For customers …