Seems like a perfect storm of max length ETOPS flight combined with a seriously aged airframe, resulting in a vastly increased margin of safety needed to comple

Seems like a perfect storm of max length ETOPS flight combined with a seriously aged airframe, resulting in a vastly increased margin of safety needed to complete the flight. If you plot JFK -> ACC on Google Earth, you can see the flightpath perfectly threads the needle between Bermuda and the Azores, creating what is probably the longest overwater route with no diversions possible from the east coast. The 767's are really only profitable on these "long fat" routes anymore, and I suspect this will probably be the start of Delta retiring them for 787s or A350s.