IAG Group traffic measured in Revenue Passenger Kilometres and including figures from recently acquired Vueling, increased by 6.6 per cent versus July 2012.
Group capacity measured in Available Seat Kilometres rose by 8.5 per cent.
Group premium traffic for July increased by 0.4 per cent compared to the previous year.
Underlying market conditions remain unchanged from those described at the publication of Quarter Two results on August 2.
British Airways saw Revenue Passenger Kilometres remain the same compared to July 2012, with a 0.5 per cent decrease on Available Seat Kilometres.