AA 2856 then AA 4230 at DFW
Spokane → Dallas-Fort Worth → Tri-Cities
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
12:43AA 4230 to Tri-Cities leaves the gate
18 h 03 apart on the timetable, overnight
AA 4230 leaves 18 h 03 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.