AA 1740 then AA 3733 at DFW
Lubbock → Dallas-Fort Worth → Austin
Timetable, Dallas-Fort Worth time
07:21AA 1740 from Lubbock at the gate
12:05AA 3733 to Austin leaves the gate
4 h 44 apart on the timetable
The last days
AA 1740 and AA 3733 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.