UA 5354 then AA 3740 at DFW
Houston → Dallas-Fort Worth → Acapulco
Timetable, Dallas-Fort Worth time
13:33UA 5354 from Houston at the gate
09:45AA 3740 to Acapulco leaves the gate
20 h 12 apart on the timetable, overnight
AA 3740 leaves 20 h 12 after UA 5354 arrives on the timetable: more than half a day, so not a connection we count.