AA 3495 then AA 6238 at DFW
Lubbock → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
12:30AA 3495 from Lubbock at the gate
08:25AA 6238 to Amarillo leaves the gate
19 h 55 apart on the timetable, overnight
AA 6238 leaves 19 h 55 after AA 3495 arrives on the timetable: more than half a day, so not a connection we count.