ATLANTA, Ga. (Atlanta News First) - Hundreds of people filled the Hartsfield-Jackson Atlanta International Airport on Saturday morning — many of whom said they had been stuck there since Friday due to winter weather conditions. Metro Atlanta was under a winter weather advisory from 5 a.m. Friday until 7 a.m. Saturday. More than 1,500 flights were canceled amid on-and-off ground stops on Friday, most of which were from the Atlanta-based Delta Air Lines.