Airlines have continued to cancel more flights worldwide this week due to due to the spread of Covid-19.
Thousands of flights were scrapped over the Christmas weekend as the Omicron variant continues to spread rapidly.
Airlines blamed the spread of Covid-19 among staff for cancellations, with many crews testing positive and being forced to isolate instead of work.
According to the FlightAware data tracking website, the total number of cancelled flights for Monday, December 27, stood at 1,851, at 8am. The site also recorded 2,383 flight delays for the same day.
The figures included 550 cancellations within, into or out of the US and 285 flights delayed into or out of the US.
It is understood more than 8,000 flights have been grounded into total since Friday over the Christmas weekend.
The airlines reporting the highest number of cancellations for December 27 according to FlightAware were China Eastern, with 399 cancellations and Air China with 187 cancellations.
British Airways was reported as having cancelled 42 flights and 11 delayed flights for December 27. The site also reported there were 22 flights cancelled out of London Heathrow and 26 into the airport for the same day.
The aviation tracking website also reported that more than 700 flights has already been cancelled for December 28, although this number was likely to rise.
US cruise ships are also reported to have been affected by Covid cases. Last week Carnival Freedom did not stop in Bonaire and Aruba in the Caribbean after a “small number” of positive cases. Royal Caribbean Cruises’ The Odyssey of the Seas did not stop in Curacao and Aruba after reports of 55 cases on board on December 23.