Revealed: The US’s Top 10 Busiest International Routes

Between August 2024 and July 2025, 257 million passengers flew internationally to/from the US. Over 700,000 people did so daily. Traffic was 2% higher than for the 12 months to July 2024 and 6% higher than for the year to July 2019, before the pandemic struck. These findings are from examining all international routes using Department of Transportation data.