In 1977 Buchanan Field reached its peak of activity with 357,000 total operations ; by that criterion Buchanan Field was the 16th busiest airport in the nation , ahead of San Francisco International Airport , John F. Kennedy International Airport , and LaGuardia Airport .
That made it the 16th busiest airport in the United States , ahead of San Francisco International Airport , John F. Kennedy International Airport , and LaGuardia Airport .