AA 2856 then AA 4259 at DFW
Spokane → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
14:16AA 4259 to Tulsa leaves the gate
19 h 36 apart on the timetable, overnight
AA 4259 leaves 19 h 36 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.