While waiting for our connecting flight from Singapore to Frankfurt, I checked the departures and found that it had been delayed by 35 minutes. I hoped that this didn’t presage another 25-hour delay like when we travelled to Frankfurt three years ago! An announcement came over the PA system, that our flight was delayed because they changed the plane, presumably for mechanical reasons. So with the early arrival into Singapore and the late departure, we had about an hour more time here than w...