According to a 2013 year-end traffic report released by the Houston Airport System, passenger traffic numbers rose to record levels.
Dubai International Airport looks set to surpass London Heathrow in 2015 as the busiest for international traffic.
Airports Council International (ACI) has posted traffic results, showing that global passenger traffic continued along its growth path in October, increasing 4.9% year-on-year.
Traffic at St. Petersburg-Clearwater International Airport (PIE) was up 20% in November, compared to the same period in 2012.
July proved to be a good month for Dubai and Singapore Changi airports, which have reported 6.1% and 4% rises respectively in passenger traffic.
Asia-Pacific airports enjoyed a near 6% rise in passenger traffic during the first half of the year, according to ACI statistics.