AA 3746 then AC 7303 at DFW
Billings → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
11:05AA 3746 from Billings at the gate
10:55AC 7303 to Atlanta leaves the gate
23 h 50 apart on the timetable, overnight
AC 7303 leaves 23 h 50 after AA 3746 arrives on the timetable: more than half a day, so not a connection we count.