NATS, the provider of en route air traffic services in the UK, recorded a 2.2 per cent increase in 2014 traffic volumes when compared to the previous year. Last year saw 2,200,804 flights, up from 2,153,995 in 2013. In December 2014 alone, NATS handled 158,106 flights, which was an increase of 3.8 per cent when compared to December 2013.