US Air Traffic in 1999

729.0M passengers · +4.4% vs 1998

597.1MDomestic
131.9MInternational
8.6MFlights
67%Load factor

Busiest airports (among today's top 25)

Traffic among today's largest carriers

Figures cover flights touching the United States and its territories (US DOT BTS T-100) — not global totals.

Source: U.S. DOT Bureau of Transportation Statistics, T-100 · United States Government public domain.