AA 977 then AA 1634 at DFW
Harrisburg → Dallas-Fort Worth → San Diego
Timetable, Dallas-Fort Worth time
09:03AA 977 from Harrisburg at the gate
19:23AA 1634 to San Diego leaves the gate
10 h 20 apart on the timetable
The last days
AA 977 and AA 1634 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.