AA 2986 then WN 3017 at Miami
Denver → Miami → Baltimore
Timetable, Miami time
12:00AA 2986 from Denver at the gate
12:35WN 3017 to Baltimore leaves the gate
35 min apart on the timetable
The last days
AA 2986 and WN 3017 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.