Delta said that starting May 1 it would allow passengers to sit in the middle seats in its planes.
The carrier is the last U.S. airline to lift the middle-seat restriction, which was put in place last April due to the COVID-19 pandemic. It is easing the restriction on increased vaccinations and growing demand for travel.
Delta Air Chief Executive Ed Bastian said that 65% of customers who flew with Delta before the pandemic have indicated they plan to have least one dose of a COVID-19 vaccine by May 1.
The carrier also plans to resume snack and beverage service on April 14. "In early June, customers flying in Delta One or first class on select domestic coast-to-coast flights will see hot food options return, and first class customers on other key U.S. routes will enjoy fresh boxed meals beginning in early July," the airline said.