In addition, 80-100 aircraft are parked on KATL’s 09 R and many taxiways. Total disaster currently. A concourse is also getting evacuated due to a possible fire!
UPDATE
Every transponder is off and Southwest has just Cancled all of its flights to and from KATL
A lot of flights have been cancelled remember this is the busiest airport in the world and it’s closed this will have a knock on effect all around the world possibly for a few days/weeks.
UPDATE 22:10 UTC FAA has lifted ground stop for north and south cargo ramps.
UPDATE 21:10 UTC All Southwest flights to/from of Atlanta Airport are cancelled for the remainder of the day.
UPDATE 20:35 UTC The FAA is informing the tower at Atlanta Airport can operate normally.
UPDATE 20:25 UTC More than 2 hours now that Atlanta Airport is suffering power outage, still no departures but passengers stranded in planes are disembarked using movable stairs.
UPDATE 20:04 UTC Some passengers in Atlanta being let off planes on tarmac via movable stairs.
UPDATE 19:41 UTC Delta pilot told passengers a construction crew cut power line, causing outage at Atlanta Airport.