Political Restrictions

[Pol20017]

MDE -> MAD -> MDE    that is OK

MDE -> MAD -> LHR     That will not work.


It is to replicate real life restrictions and to prevent 'spamlines' and exponential growth. https://en.wikipedia.org/wiki/Freedoms_of_the_air

for example you don't see british airways operating JFK - ORD. That's because they are not allowed to under the law.

But this happens in real life there was a route a few months ago:

ASS -> MAD -> BCN -> MAD -> ASS