UA 650 then UA 3753 at San Francisco
Honolulu → San Francisco → Denver
Timetable, San Francisco time
23:11UA 650 from Honolulu at the gatealso CM 2364, AC 3519, NZ 9151
03:53UA 3753 to Denver leaves the gate
4 h 42 apart on the timetable, overnight
The last days
UA 650 and UA 3753 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.