WN 571 then AA 1198 at Boston
Baltimore → Boston → Philadelphia
Timetable, Boston time
08:40WN 571 from Baltimore at the gate
15:58AA 1198 to Philadelphia leaves the gate
7 h 18 apart on the timetable
The last days
WN 571 and AA 1198 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.