Source: United States & Canada – South China Morning PostAir travel has been severely disrupted in the United States this weekend, with bad weather in parts of the country adding to the impact of a massive spike in Covid-19 infections fuelled by the Omicron variant.As of 11pm local time on Saturday, the US had 2,723 cancelled flights, more than half of the 4,698 cancelled worldwide, according to tracking website FlightAware.In addition, 5,993 domestic flights were delayed on Saturday, out of a total of 11,043 worldwide for the day.The worst affected…Read More