US Air Traffic in 1990 — Passengers and Busiest Routes

448.2MDomestic

81.7MInternational

6.8MFlights

57%Load factor

Busiest airports (among today's top 25)

ORD27.3M
DFW24.0M
ATL23.7M
LAX22.4M
SFO15.0M
JFK13.6M
DEN12.6M
PHX12.2M
MIA12.0M
LGA11.2M

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.