https://www.mercurynews.com/2022/01/19/airlines-cancel-some-flights-after-limited-5g-rollout-in-us/

By Jon Gambrell and David Koenig | Associated Press

DALLAS — Some flights to and from the U.S. were canceled on Wednesday even after AT&T and Verizon scaled back the rollout of high-speed wireless service that could interfere with aircraft technology that measures altitude.