The 747 is a little on the large size for flights to Switzerland. It's only a small country and even though it is a major business centre, loads on long-haul routes aren't that high. Yield is very high cos the passengers that do go there (other than tourists on multi-centre tours that start in Switzerland, and skiiers) are bankers, UN types, tax exiles and George Soros, which explains the MD11's 80-plus J-class seats, and Jefferey Katz (Swissair CEO)'s statement that Swissair will be the last airline in the world to get rid of First Class. They have already started flying A330s on most trans-Atlantic flights, and I would expect them to eventually buy (if they haven't already) A340s for the Far East, Nth American west coast (LA, YVR et al). But the 747 is too big for everything except JFK to Zurich, even JFK to Geneva (SR111) has been an MD11 for years. United operated 747-100s to Geneva for a while and lost a bundle (having now switched very sensibly to 767s, the perfect US to Switzerland plane).
fly Saha Air 707s daily from Tehran's downtown Mehrabad to Mashhad, Kish Island and Ahwaz