DL 1909 then AA 2229 at JFK
Salt Lake City → New York → Dallas-Fort Worth
Timetable, New York time
05:00DL 1909 from Salt Lake City at the gate
08:29AA 2229 to Dallas-Fort Worth leaves the gate
3 h 29 apart on the timetable
The last days
DL 1909 and AA 2229 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.