WN 2776 then B6 394 at Denver
Burbank → Denver → Boston
Timetable, Denver time
12:55WN 2776 from Burbank at the gate
12:40B6 394 to Boston leaves the gate
23 h 45 apart on the timetable, overnight
B6 394 leaves 23 h 45 after WN 2776 arrives on the timetable: more than half a day, so not a connection we count.