AA 2556 then AA 4259 at DFW
Pittsburgh → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
08:16AA 2556 from Pittsburgh at the gate
14:16AA 4259 to Tulsa leaves the gate
6 h apart on the timetable
The last days
AA 2556 and AA 4259 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.