US air travel disruptions continue into third day

In brief

US air travel disruptions continue into third day ReutersWhat we know about the US ground stop and what to do if your flight is affected BBCUS air travel should normalize Sunday after ground stop triggers mass cancellations, FAA says AP NewsWhat forced the US to ground all planes? A router switch, we now know Al JazeeraLive updates: Duffy blames prior administrations and dated systems for airspace meltdown CNN