BY 143 then BY 2776 at Manchester
Cancún → Manchester → Tenerife South
Timetable, Manchester time
06:55BY 143 from Cancún at the gate
10:50BY 2776 to Tenerife South leaves the gate
3 h 55 apart on the timetable
The last days
BY 143 and BY 2776 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.