B6 993 then WN 1091 at Denver
Boston → Denver → Fresno
Timetable, Denver time
13:07B6 993 from Boston at the gate
09:00WN 1091 to Fresno leaves the gate
19 h 53 apart on the timetable, overnight
WN 1091 leaves 19 h 53 after B6 993 arrives on the timetable: more than half a day, so not a connection we count.