AA 618 then AA 3740 at DFW
Chicago O'Hare → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
14:53AA 618 from Chicago O'Hare at the gate
09:45AA 3740 to Acapulco leaves the gate
18 h 52 apart on the timetable, overnight
AA 3740 leaves 18 h 52 after AA 618 arrives on the timetable: more than half a day, so not a connection we count.