AA 2203 then BA 48 at Seattle
Philadelphia → Seattle → London
Timetable, Seattle time
11:34AA 2203 from Philadelphia at the gate
19:45BA 48 to London leaves the gate
8 h 11 apart on the timetable
Seattle’s board gives a departure time for only about 57% of its flights, so many days show no gate time.
The last days
AA 2203 and BA 48 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.
Later flights to London
No later flight to London on the timetable.