F9 2211 then WN 1809 at Denver
Detroit → Denver → Spokane
Timetable, Denver time
08:30F9 2211 from Detroit at the gate
20:50WN 1809 to Spokane leaves the gate
12 h 20 apart on the timetable
WN 1809 leaves 12 h 20 after F9 2211 arrives on the timetable: more than half a day, so not a connection we count.