UA 1508 then UA 10 at San Francisco
Burbank → San Francisco → Manila
Timetable, San Francisco time
20:08UA 1508 from Burbank at the gate
00:50UA 10 to Manila leaves the gate
4 h 42 apart on the timetable, overnight
The last days
UA 1508 and UA 10 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.