WN 3686 then UA 1375 at San Francisco
Los Angeles → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
12:35WN 3686 from Los Angeles at the gate
16:45UA 1375 to Dallas-Fort Worth leaves the gatealso AC 5117, CA 7247, NH 7372, VA 8274, NZ 9083
4 h 10 apart on the timetable
The last days
WN 3686 and UA 1375 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.