UA 2835 then AA 2381 at Phoenix
Houston → Phoenix → Spokane
Timetable, Phoenix time
09:23UA 2835 from Houston at the gate
22:00AA 2381 to Spokane leaves the gate
12 h 37 apart on the timetable
AA 2381 leaves 12 h 37 after UA 2835 arrives on the timetable: more than half a day, so not a connection we count.