I think people think at something like FRA or LHR when talking about an international airport. Tegel+Schoenefeld have combined ~30M passengers per year. FRA ha

I think people think at something like FRA or LHR when talking about an international airport. Tegel+Schoenefeld have combined ~30M passengers per year. FRA has ~65M, and LHR has ~80M. Number of intercontinental flights from Berlin is just super low s.t. most business travelers fly do a stopover in FRA.