WN 347 then DL 499 at Denver
Birmingham (Alabama) → Denver → Boston
Timetable, Denver time
18:45WN 347 from Birmingham (Alabama) at the gate
11:36DL 499 to Boston leaves the gate
16 h 51 apart on the timetable, overnight
DL 499 leaves 16 h 51 after WN 347 arrives on the timetable: more than half a day, so not a connection we count.