DL 499 then WN 1091 at Denver
Boston → Denver → Fresno
Timetable, Denver time
10:26DL 499 from Boston at the gate
09:00WN 1091 to Fresno leaves the gate
22 h 34 apart on the timetable, overnight
WN 1091 leaves 22 h 34 after DL 499 arrives on the timetable: more than half a day, so not a connection we count.