PR 3897 then WN 3772 at San Francisco
Los Angeles → San Francisco → Burbank
Timetable, San Francisco time
18:02PR 3897 from Los Angeles at the gate
18:45WN 3772 to Burbank leaves the gatealso UA 5318
43 min apart on the timetable
The last days
PR 3897 and WN 3772 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.