AA 2856 then AA 1770 at DFW
Spokane → Dallas-Fort Worth → Washington National
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
12:06AA 1770 to Washington National leaves the gate
17 h 26 apart on the timetable, overnight
AA 1770 leaves 17 h 26 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.