WN 856 then WN 1799 at Denver
Dallas → Denver → San Jose (California)
Timetable, Denver time
08:45WN 856 from Dallas at the gate
20:55WN 1799 to San Jose (California) leaves the gate
12 h 10 apart on the timetable
WN 1799 leaves 12 h 10 after WN 856 arrives on the timetable: more than half a day, so not a connection we count.