Originally Posted by
2035
Europeans....
Actually, if you transit in ZRH you won't clear immigration there - domestic flights in Switzerland are considered international, and you have to clear immigration afterwards in GVA IIRC!
I'm sure it's not a big deal though given Swiss efficiency - ZRH immigration rarely takes more than a minute, and BSL doesn't bother at all most of the time.
I am pretty sure on DUS - ZRH - GVA I cleared in ZRH. But I agree. It takes seconds.