The findings have prompted national press speculation that the UK government may now hold back on further restrictions as a result.
Despite this, though, Ryanair has issued a downbeat forecast, while there are some surprising bids for city status from overseas territories.
Here are the key headlines affecting travel on Thursday 23 December.
Omicron data to be published today
New data on the Omicron variant is set to be published today – after two studies showed it appears to be milder than Delta.
