AA 504 then WN 294 at Charlotte
Boston → Charlotte → Baltimore
Timetable, Charlotte time
13:54AA 504 from Boston at the gate
17:50WN 294 to Baltimore leaves the gate
3 h 56 apart on the timetable
The last days
AA 504 and WN 294 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.