AA 3478 then AA 2712 at DFW
Wichita → Dallas-Fort Worth → St Louis
Timetable, Dallas-Fort Worth time
08:40AA 3478 from Wichita at the gate
12:18AA 2712 to St Louis leaves the gate
3 h 38 apart on the timetable
The last days
AA 3478 and AA 2712 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.