AA 4044 then AA 6221 at DFW
Lubbock → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
07:25AA 4044 from Lubbock at the gate
14:09AA 6221 to Tulsa leaves the gate
6 h 44 apart on the timetable
The last days
AA 4044 and AA 6221 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.