AA 2856 then UA 2049 at DFW
Spokane → Dallas-Fort Worth → Denver
Timetable, Dallas-Fort Worth time
18:40AA 2856 from Spokane at the gate
11:40UA 2049 to Denver leaves the gate
17 h apart on the timetable, overnight
UA 2049 leaves 17 h after AA 2856 arrives on the timetable: more than half a day, so not a connection we count.