AA 3598 then F9 1051 at DFW
Houston → Dallas-Fort Worth → Las Vegas
Timetable, Dallas-Fort Worth time
10:23AA 3598 from Houston at the gate
08:30F9 1051 to Las Vegas leaves the gate
22 h 07 apart on the timetable, overnight
F9 1051 leaves 22 h 07 after AA 3598 arrives on the timetable: more than half a day, so not a connection we count.