The plane returned to Hartsfield-Jackson Atlanta International Airport after declaring an emergency on board] An emergency was quickly declared to get priority handling from air traffic control, the spokesperson continued.
It’s unknown what caused the incident, which is under investigation by the Canadian Transportation Safety Board and U.S. National Transportation Safety Board.
First, an American Eagle regional jet collided with an Army Black Hawk helicopter as it attempted to land at Ronald Reagan International Airport in Arlington, Virginia January 29, killing all 67 people on both aircraft.
When the plane returned to Hartsfield-Jackson Atlanta International Airport, evacuation slides were deployed to help passengers deboard.
In a written statement, a Delta spokesperson said: “The flight crew followed procedures to return to Atlanta when a haze inside the aircraft was observed after departure.