AA 4943 then AA 6238 at DFW
South Bend → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:58AA 4943 from South Bend at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 27 apart on the timetable, overnight
AA 6238 leaves 12 h 27 after AA 4943 arrives on the timetable: more than half a day, so not a connection we count.