AA 2856 then AA 4066 at DFW
Spokane → Dallas-Fort Worth → Texarkana
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
13:15AA 4066 to Texarkana leaves the gate
18 h 35 apart on the timetable, overnight
AA 4066 leaves 18 h 35 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.