AA 2856 then AA 6306 at DFW
Spokane → Dallas-Fort Worth → Montrose
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
11:07AA 6306 to Montrose leaves the gate
16 h 27 apart on the timetable, overnight
AA 6306 leaves 16 h 27 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.