AA 2856 then AA 4040 at DFW
Spokane → Dallas-Fort Worth → Brownsville
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
13:27AA 4040 to Brownsville leaves the gate
18 h 47 apart on the timetable, overnight
AA 4040 leaves 18 h 47 after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.