sickouts. >> i'm trying to fly back home. i have been out since 3:00 in the morning this morning, and my flight got changed twice. >> at washington reagan airport on monday, 87% of the flights canceled, the most of any airport in the country. the aftermath, hundreds of bags piled up waiting to be claimed and reconnected with their owners. in some cases we saw snow coming down at 3 1/2 inches an hour. that's just incredible. the region pounded by nearly a foot of snow, causing standstill traffic, stranded vehicles and collisions. drivers stuck for hours on the highway in virginia, after a crash involving six tractor-trailers. thousands of homes and businesses left without power. >> we live in maryland. one day 70 degrees, next day, 30 degrees and snowing. >> reporter: the white house conditions even impacting president biden's return to the white house after his holiday break. crews rush to clear the runway at joint base andrews for air