AA 4259 then AA 3351 at DFW
Tulsa → Dallas-Fort Worth → Houston Hobby
Timetable, Dallas-Fort Worth time
17:36AA 4259 from Tulsa at the gate
17:31AA 3351 to Houston Hobby leaves the gate
23 h 55 apart on the timetable, overnight
AA 3351 leaves 23 h 55 after AA 4259 arrives on the timetable: more than half a day, so not a connection we count.