WN 3774 then AA 1610 at Denver
San Francisco → Denver → Charlotte
Timetable, Denver time
09:30WN 3774 from San Francisco at the gate
10:12AA 1610 to Charlotte leaves the gate
42 min apart on the timetable
The last days
WN 3774 and AA 1610 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.