And this is why you schedule flights in the morning: there's so damn little slack in the system that if things go wrong at 10:00 AM at O'Hare, flights for the whole rest of the day are screwed up owing to the cascading delays. At least in the morning the airlines have had the overnight to unsnarl the previous day's mess because of the reduced revenue traffic overnight and the corresponding slack that accrues as a hap…
That plan has now been effectively scrapped. The large number of ICU beds per capita has been one of the main reasons why Germany got so well through the first wave. The plan also overlooked that the main bottleneck has always been staff, who were already running with very low slack.