Two Delta Air Lines aircraft came dangerously close to one another at Atlanta's Hartsfield-Jackson International Airport, triggering cockpit anti-collision alarms in a frightening near miss that is now under federal investigation. The incident is significant because it raises fresh questions about safety margins and air traffic procedures at one of the world's busiest airports, coming amid heightened scrutiny of near misses in US airspace.

The FAA confirmed the incident took place at around 11pm on Monday, involving Delta flights including Flight 2472, which was departing Hartsfield-Jackson at the time. The agency said it is investigating the circumstances of the close call, though further details on the exact separation distance and cause had not yet been released.