AA 2579 then AA 3899 at DFW
Denver → Dallas-Fort Worth → San Antonio
Timetable, Dallas-Fort Worth time
16:21AA 2579 from Denver at the gate
17:17AA 3899 to San Antonio leaves the gate
56 min apart on the timetable
The last days
AA 2579 and AA 3899 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.