UA 2258 then WN 643 at Denver
Bozeman → Denver → Orlando
Timetable, Denver time
16:31UA 2258 from Bozeman at the gate
13:25WN 643 to Orlando leaves the gate
20 h 54 apart on the timetable, overnight
WN 643 leaves 20 h 54 after UA 2258 arrives on the timetable: more than half a day, so not a connection we count.