I would like to propose changes in world ranking that I hope would make sense to fight for 1 place
1. Only full flights will count to the ranking (not accelerated in any way)
In this case there would be finite number of flights every player can do - and those who get max would receive extra a special reward
2. Ranking should have categories - depending of number of hangars held - so every player (even those who just started) can grab first place having only few planes (in his category of course)
3. If we consider possibility that player must be online when flight starts/end - that will eliminate time travellers as well.
1. Only full flights will count to the ranking (not accelerated in any way)
In this case there would be finite number of flights every player can do - and those who get max would receive extra a special reward
2. Ranking should have categories - depending of number of hangars held - so every player (even those who just started) can grab first place having only few planes (in his category of course)
3. If we consider possibility that player must be online when flight starts/end - that will eliminate time travellers as well.