AdvertisementThese airlines are dropping mask mandates after a federal judge's rulingUpdated April 19, 2022Jonathan FranklinBill ChappellfacebookEmailTravelers line up wearing protective masks indoors at O'Hare International Airport in Chicago in December 2021. U.S. District Judge Kathryn Kimball Mizelle voided the national travel mask mandate on Monday. (AP)This article was originally published on April 18, 2022.