AA 688 then AA 1788 at Miami
New York JFK → Miami → Dallas-Fort Worth
Timetable, Miami time
09:13AA 688 from New York JFK at the gate
12:15AA 1788 to Dallas-Fort Worth leaves the gate
3 h 02 apart on the timetable
The last days
AA 688 and AA 1788 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.