WN 347 then UA 231 at Denver
Birmingham (Alabama) → Denver → Charlotte
Timetable, Denver time
18:45WN 347 from Birmingham (Alabama) at the gate
10:02UA 231 to Charlotte leaves the gate
15 h 17 apart on the timetable, overnight
UA 231 leaves 15 h 17 after WN 347 arrives on the timetable: more than half a day, so not a connection we count.