8F 508 then FR 3888 at Lisbon
Sao Tome → Lisbon → Manchester
Timetable, Lisbon time
14:058F 508 from Sao Tome at the gate
17:45FR 3888 to Manchester leaves the gate
3 h 40 apart on the timetable
The last days
8F 508 and FR 3888 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.