4000 flights canceled all over the world due to Omicron: Reuters

• Nearly 2,400 flights entering and departing from or within the US were among those canceled on Sunday

• Despite the increasing amount of cancellations airline shares rose during morning trading

Nearly 4000 flights were canceled on Sunday, most of them being US flights as cases related to the Omicron variant of the coronavirus surged across the world.

Reuters reported that the flights canceled by 8 PM GMT on Sunday included over 2,400 entering, departing from, or within the United States, according to the tracking website FlightAware.com. Globally, more than 11,200 flights were delayed.