Beijing Capital International Airport PEK/BJS is the worlds second busiest airport for commercial traffic.
The top 3 busiest airport cities in the world are:Atlanta, USA (Hartsfield-Jackson Atlanta International Airport)Beijing, China (Beijing Capital International Airport)London, UK (London Heathrow Airport)
All of the busiest airports in the world have international flights, so the busiest airport with international service would technically be Hartsfield-Jackson Airport in Atlanta. However, as with most airports in the US, most passengers are domestic. The world's busiest airport by international passengers is London Heathrow.
Edinburgh is the biggest and most flights & passenger followed by Glasgow then aberdeen airporrt
HOOGHLY PORT KOLKATA SECOND MOST BUSIEST.
1) London Heathrow 2) London Gatwick 3) London Stansted 4) Manchester 5) London Luton 6) Edinburgh 7) Birmingham 8) Glasgow 9) Bristol 10) Liverpool (John Lennon)
Although Dublin is the busiest and largest airport in Ireland, I believe Shannon airport is the most famous.
Busiest in terms of overall passengers: Atlanta Hartsfield Jackson Busiest in terms of international passengers: London Heathrow Airport
Hartsfield-Jackson International Airport, Atlanta, Georgia, United States:Largest number of passengers annually (1998-present);Most arrivals and departures (operations) annually (1999-2000, 2005-present);In 2007, Hartsfield again set the world's record for most aircraft movements in one year with 994,346.Most flights (2006). Wikipedia.com
Georgia. Atlanta's airport (ATL) is the busiest... as defined by most commercial passengers annually.
"The Auckland airport has the most New Zealand flights coming in and out of their airport. It is New Zealands' busiest airport, and there are several different airline packages to choose from."
There is no definitive answer on flights per day. United Airlines/United Express operates the most departures from the airport per day (210), followed by American Airlines/ American Eagle (126), and Southwest Airlines (123). LAX connects 87 domestic and 69 international destinations in North America, Latin America, Europe, the Middle East, Asia and Oceania. Its most prominent airlines are United Airlines (18.24% of passenger traffic, combined with United Express traffic), American Airlines (14.73%) and Southwest Airlines (12.62%). Other airlines with a presence on a lesser scale include Delta Airlines (7.33%), Alaska Airlines (4.74%), Northwest Airlines (3.79%), and Continental Airlines (3.76%) It is the world's fifth-busiest airport by passenger traffic and eleventh-busiest by cargo traffic, serving over 60 million passengers and more than two million tons of freight in 2006. It is the busiest airport in the state of California, and the third-busiest airport by passenger traffic in the United States based on final 2006 statistics. In terms of international passengers, LAX is the second-busiest in the U.S. (behind only JFK International Airport in New York City), and 26th worldwide.