AA 644 then AA 2177 at Phoenix
Tampa → Phoenix → Seattle
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
18:23AA 2177 to Seattle leaves the gate
21 h 33 apart on the timetable, overnight
AA 2177 leaves 21 h 33 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.