Summary London Heathrow had 1,762,564 roundtrip passengers to/from the US in June 2024. Traffic rose by more than a tenth compared to before the pandemic. Los Angeles had the greatest growth, but San Diego stood out because flights doubled to a record twice daily.
The UK Civil Aviation Authority provides a handy list of passenger traffic on all routes touching the country . In June 2024 , the latest month with data when writing, London Heathrow had 1,762,564 roundtrip passengers to/from the US – nearly 59,000 daily. This includes everyone: those who were point-to-point and those who connected to another flight in the US, the UK, or both.
Passenger volume rose by 11.2% compared to before the pandemic in June 2019. The arrival of JetBlue and strong growth by American, United, and Virgin helped.
In all, airlines filled 88.9% of June seats . The load factor fell slightly versus before the pandemic as capacity growth outpaced traffic growth, which probably reduced fares and yields.
Some 24 passenger airlines serve them. The 31 US markets: June 2024 American, British Airways, Delta, JetBlue, United, and Virgin operated. Together, they flew to 31 US airports non-stop, down from 32 in 2023, when British Airways served San José.
The following figure summarizes each market by total passengers, with New York JFK number one (what a surprise!) with nearly 309,000 roundtrip passengers and Salt Lake City last. No breakdown by airline is provided. The average seat load factor is also inc.