EC 7644 then TP 1364 at Lisbon
Zurich → Lisbon → London Heathrow
Timetable, Lisbon time
12:40EC 7644 from Zurich at the gate
16:05TP 1364 to London Heathrow leaves the gate
3 h 25 apart on the timetable
The last days
EC 7644 and TP 1364 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.