U.S., March 31 -- Senators Edward J. Markey (D-Mass.), Richard Blumenthal (D-Conn.), and Elizabeth Warren (D-Mass.) today led a group of their colleagues in a letter sent to each of the major domestic airlines, urging every company to issue full cash refunds to all customers who cancel their flights during the COVID-19 crisis, and to American citizens who encounter flight cancellations while stranded in countries that implemented travel restrictions. This request comes in the wake of Congress passing an unprecedented bailout for the airline industry, including $25 billion in loans for passenger air carriers.

Although most domestic airlines have taken some steps to temporarily waive coronavirus-related change and cancellation fees, travel...