Thinking back a year, when Covid restrictions were still hampering international travel, may make you shudder. In January 2022 anyone arriving into the UK, regardless of vaccination status, was required to book a post-arrival PCR test in advance – and self-isolate until the result was known.
Only on 18 March were the UK’s international travel restrictions fully lifted (having done exactly nothing to inhibit the spread of the Omicron variant). That represents 20 per cent of the year – a proportion to hold in mind when contemplating how the UK’s key airports are doing.
