AA 310 then AA 6238 at DFW
Grand Rapids → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:44AA 310 from Grand Rapids at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 41 apart on the timetable, overnight
AA 6238 leaves 12 h 41 after AA 310 arrives on the timetable: more than half a day, so not a connection we count.