Beginning in 1991, international passengers were assessed another $2 for agriculture and health inspection.

However, Heathrow does have the highest number of international passengers.

There were 87,928,000 international passengers on the association's members' flights through June.

It is designed to separately handle domestic and international passengers.

Midway served 17.3 million domestic and international passengers in 2008.

During 2010, the airport handled 8,034,720 domestic and international passengers.

In the year to 30 June 2011 the airport had 316,000 domestic and 46,000 international passengers.

However, a 43 per cent increase in international passengers by 1996 is predicted.

A new terminal is currently being built to accommodate international passengers.

Fifteen years ago, Kennedy had 98.5 percent of all international passengers at the three airports.