BA 768 then SK 342 at Oslo
London Heathrow → Oslo → Trondheim
Timetable, Oslo time
11:00BA 768 from London Heathrow at the gate
11:40SK 342 to Trondheim leaves the gate
40 min apart on the timetable
The last days
BA 768 and SK 342 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.