UA 5354 then AA 1710 at DFW
Houston → Dallas-Fort Worth → Pittsburgh
Timetable, Dallas-Fort Worth time
13:33UA 5354 from Houston at the gate
13:14AA 1710 to Pittsburgh leaves the gate
23 h 41 apart on the timetable, overnight
AA 1710 leaves 23 h 41 after UA 5354 arrives on the timetable: more than half a day, so not a connection we count.