coronavirus December 24, 2021 5:16 pm Airlines Cancel Hundreds of Flights Due to Outbreaks Among Staff Hundreds of flights on Christmas Eve were canceled due to a rise in COVID-19 omicron cases among pilots and staff. Ian Cull reports. US & World Videos 2:54 We Investigate: Gender disparities in SJFD 3:54 May Day rally and march in San Francisco 2:36 Breaking 101: The basic elements of what is now an Olympic sport 2:47 Hundreds gather in Oakland, rally for workers' rights, immediate ceasefire in Gaza 2:58 Homebuyers turn to riskier adjustable-rate mortgages