AA 3166 then AA 3047 at San Francisco
Philadelphia → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
19:51AA 3166 from Philadelphia at the gatealso BA 5438
06:38AA 3047 to Dallas-Fort Worth leaves the gatealso IB 4709, QF 4920
10 h 47 apart on the timetable, overnight
The last days
AA 3166 and AA 3047 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.