AA 1490 then DL 2217 at Miami
Las Vegas → Miami → Boston
Timetable, Miami time
19:34AA 1490 from Las Vegas at the gate
20:32DL 2217 to Boston leaves the gate
58 min apart on the timetable
The last days
AA 1490 and DL 2217 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.