DL 2351 then AA 103 at Boston
Dallas-Fort Worth → Boston → New York JFK
Timetable, Boston time
11:43DL 2351 from Dallas-Fort Worth at the gate
13:30AA 103 to New York JFK leaves the gate
1 h 47 apart on the timetable
The last days
DL 2351 and AA 103 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.