WN 3529 then AA 353 at Boston
St Louis → Boston → Miami
Timetable, Boston time
13:45WN 3529 from St Louis at the gate
14:46AA 353 to Miami leaves the gate
1 h 01 apart on the timetable
The last days
WN 3529 and AA 353 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.