DL 1798 then DL 1572 at Boston
Kansas City → Boston → Orlando
Timetable, Boston time
17:05DL 1798 from Kansas City at the gate
17:40DL 1572 to Orlando leaves the gate
35 min apart on the timetable
The last days
DL 1798 and DL 1572 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.