Why You Should Keep Wearing a Mask on Planes—Even When You No Longer Have To

For more than a year, a mask has been as essential at the airport as a boarding pass: you can’t fly without one. But the federal mask mandate for planes, trains, buses, and transit stations including airports is set to expire on March 18, and so far, the government has not announced plans to extend it.

That could change. The Transportation Security Administration has extended the face mask requirement several times so far.