WN 347 then B6 394 at Denver
Birmingham (Alabama) → Denver → Boston
Timetable, Denver time
18:45WN 347 from Birmingham (Alabama) at the gate
12:40B6 394 to Boston leaves the gate
17 h 55 apart on the timetable, overnight
B6 394 leaves 17 h 55 after WN 347 arrives on the timetable: more than half a day, so not a connection we count.