AA 6276 then UA 3751 at San Francisco
Phoenix → San Francisco → Eugene
Timetable, San Francisco time
10:03AA 6276 from Phoenix at the gatealso QR 9504
14:20UA 3751 to Eugene leaves the gate
4 h 17 apart on the timetable
The last days
AA 6276 and UA 3751 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.