AA 3487 then AA 2487 at DFW
Lubbock → Dallas-Fort Worth → St Louis
Timetable, Dallas-Fort Worth time
12:19AA 3487 from Lubbock at the gate
18:00AA 2487 to St Louis leaves the gate
5 h 41 apart on the timetable
The last days
AA 3487 and AA 2487 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.