Travelers are allowed a refund for the unused portion of their ticket or make a one-time change.
Delta Air Lines is offering a waiver to customers who may find themselves in the midst of the upcoming winter storm.
The airline is offering the waivers to customers flying through nine affected cities from January 3 to January 4: Allentown, Pennsylvania, Baltimore, Maryland, Harrisburg, Pennsylvania, Newport News, Virginia, Norfolk, Virginia, Philadelphia, Pennsylvania, Scranton, Pennsylvania, Washington-Dulles, Virginia, and Washington-Reagan, in Arlington, Virginia.
Passengers must use the waiver on or before January 7; otherwise they will be subject to a price differential.
The storm, which has been named Grayson, is expected to dump ice and snow along the eastern United States.