WN 160 then UA 488 at San Francisco
Phoenix → San Francisco → Nashville
Timetable, San Francisco time
10:05WN 160 from Phoenix at the gate
12:40UA 488 to Nashville leaves the gatealso VA 8170, NZ 9139
2 h 35 apart on the timetable
The last days
WN 160 and UA 488 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.