DL 1810 then AF 5654 at JFK
Miami → New York → Pittsburgh
Timetable, New York time
14:49DL 1810 from Miami at the gate
19:30AF 5654 to Pittsburgh leaves the gate
4 h 41 apart on the timetable
The last days
DL 1810 and AF 5654 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.