A record 7.05 million passengers travelled through Heathrow in August 2014, an increase of 1.3 per cent on August 2013, making it Heathrow’s busiest ever month and the first time the airport has handled more than seven million passengers in a single month. With growth boosted by the summer months, August 17th also saw Heathrow’s record busiest day, with 241,412 passengers passing through the terminals.