Dubai International Airport (DXB) has [retained / retrained] its crown of being the world's busiest international airport in terms [for / of] passenger numbers. In 2014, it [overtook / overtaken] London's Heathrow airport, which had been number one for more than a [debacle / decade] . DXB handled a record 78 million travellers in 2015. This is an average of one passenger [flown / flying] in or out every 2.5 seconds. Heathrow [handed / handled] 75 million passengers but did have more daily flights than DXB. In January 2015, there were over 8,000 [weakly / weekly] flights from DXB, operated by 140 airlines to over 270 destinations on six [continents / contents] . Dubai's other airport, Al Maktoum International, has a [projected / projector] annual capacity of [upper / up] to 250 million passengers. DXB is a [vitality / vital] part of Dubai's economy. Wikipedia says it employs, "[approximately / approximate] 90,000 people, indirectly [supports / supportive] over 400,000 jobs and [contributes / contributions] over $26.7 billion to the [economic / economy], which represents around 27 per cent of Dubai's GDP and 21 per cent of the [employment / unemployment] in Dubai". The CEO of DXB, Paul Griffiths, said in a statement: "It's another [banner / banter] year for Dubai International where we broke records, engaged and [entertainment / entertained] our customers in new ways, and retained our position as the world's number one international [hub / hob] ." DXB will soon see another landmark when in March, the airline Emirates launches the world's longest non-stop flight, [connection / connecting] Dubai with Auckland.