A United Airlines jet taxi’s past a construction field near O’Hare’s Modernization Program for 10 Center East End of runway November, at Chicago O’Hare International Airport, Tuesday, Oct. 5, 2010. The Chicago-based carrier lost $646 million in the fourth quarter of 2021 and said this week that the current spike in COVID-19 cases will hurt its results in the March quarter. (Antonio Perez / Chicago Tribune)
