AA 1310 then WN 503 at Denver
Miami → Denver → Oakland
Timetable, Denver time
11:30AA 1310 from Miami at the gate
13:10WN 503 to Oakland leaves the gate
1 h 40 apart on the timetable
The last days
AA 1310 and WN 503 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.