SK 749 then SK 89 at Arlanda
Tallinn → Stockholm → Visby
Timetable, Stockholm time
11:15SK 749 from Tallinn at the gate
18:05SK 89 to Visby leaves the gate
6 h 50 apart on the timetable
The last days
SK 749 and SK 89 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.