AdvertisementSome Christmas travelers face canceled flights as the omicron surge hits airlinesUpdated December 24, 2021Jennifer LuddenfacebookEmailA Lufthansa flight arrives at Miami International Airport last month. The German airline, along with United and Delta, reported canceling dozens of Christmas Eve departures as illnesses tied to the omicron variant of COVID-19 take a toll on flight crew. (AP)This article was originally published on December 24, 2021.