All outgoing flights were halted, and arriving planes were held on the ground at their point of departure.\u00a0<\/span>More than 10 hours after the blackout began, authorities announced that power had resorted to some areas of the airport.<\/span><\/p>\n The City of Atlanta said on its Twitter page that it was providing a shuttle service to the Georgia Convention Centre for passengers needing somewhere to stay and would provide a meal from Chick-fil-A.\u00a0<\/span>Passengers were forced to sit on planes for several hours before they could be disembarked back into the airport.<\/span><\/p>\n Emilia Duca, 32, was on her way to Wisconsin from Bogota, Colombia<\/span>, when she got stuck at the airport.\u00a0<\/span>She said: “A lot of people are arriving, and no one is going out. No one is saying anything official.\u00a0<\/span>“We are stuck here. It’s a nightmare.”<\/span><\/p>\n Another stranded passenger, Rutia Curry, said elderly or disabled passengers were left stranded. She said: “They had these elderly people, handicapped people lined up in wheelchairs. The people were helpless, they can’t get down the stairs, it was just a nightmare.”<\/span><\/p>\n Delta, which has its biggest hub operation in Atlanta, was hardest hit by the disruption. It cancelled almost 900 flights on Sunday and another 300 on Monday.\u00a0<\/span>United Airlines also warned on social media that travel could be affected on Monday.\u00a0<\/span><\/p>\n The disruption comes at the start of the busiest travel weeks of the year ahead of the Christmas holidays.\u00a0<\/span>Passengers have been warned the delays could last into the week due to a lack of open seats on other flights.<\/span><\/p>\n A statement from Georgia Power said the cause of the fire which triggered the outage was unknown.\u00a0<\/span>It said: “No personnel or passengers were in danger at any time.”<\/span><\/p>\n