AA 2551 then AA 1453 at DFW
Houston → Dallas-Fort Worth → Kansas City
Timetable, Dallas-Fort Worth time
07:26AA 2551 from Houston at the gate
07:24AA 1453 to Kansas City leaves the gate
23 h 58 apart on the timetable, overnight
AA 1453 leaves 23 h 58 after AA 2551 arrives on the timetable: more than half a day, so not a connection we count.