we have now learned the person killed in this crash is a 54-year-old mexican citizen, sergio carranza brabata, the co-pilot. it's shaping up to be a nightmare day for airline passengers. the trouble started early yesterday morning. a plane at new york's jfk airport slid into snow on a taxiway. operations were temporarily suspended. and at chicago's o'hare airport, a spirit airlines flight skidded off the runway. no one was injured in those incidents. >> those delays have left thousands of passengers stuck at airports. more than 1,000 flights have been canceled from boston to memb memphis to st. louis. it's a combination of back look from the holidays. boston's logan airport they added six extra patrols.