AA 4257 then AA 2897 at DFW
Amarillo → Dallas-Fort Worth → St Louis
Timetable, Dallas-Fort Worth time
06:20AA 4257 from Amarillo at the gate
07:42AA 2897 to St Louis leaves the gate
1 h 22 apart on the timetable
The last days
AA 4257 and AA 2897 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.