A Delta flight to NYC made an emergency landing in the Azores due to an engine issue and stranded passengers for 29 hours.

According to the airline, an "indication of a mechanical issue in an engine" prompted the flight crew to divert the Airbus A330 to an Air Force base in the Azores. It is a remote chain of islands off the coast of Portugal. "Seeing all the emergency vehicles lining the runway, it reminded us it was a potentially dangerous situation," Elder said.

TERCEIRA, Azores (WKRC) - An engine problem midflight on a Delta Air Lines flight forced the plane to make an emergency landing in the middle of the Atlantic Ocean on Sunday. Delta flight 127 from Madrid to New York made an emergency landing on Terceira, Azores, a small volcanic island, CBS News reported.