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London Heathrow Airport remains the busiest airport in the United Kingdom, with an average of 674 departures each day in August, according to Cirium Diio data. This figure is slightly lower than the same period last year. The airport stands out among major European airports for its widebody operations, averaging 221 seats per takeoff.
Currently, only three UK airlines—British Airways, Loganair, and Virgin Atlantic—operate from Heathrow. More than 70 foreign carriers are active at the airport, accounting for 297 of its daily departures, which represents about 44% of all flights. Four additional non-UK airlines are expected to begin service this winter.
Data shows that American Airlines leads the list of foreign operators at Heathrow in August with 24 daily departures. “American is in the unusual position of having more long-haul flights from Heathrow than any of its US hubs. Its presence would, of course, be less significant without its BA partnership,” according to Cirium data cited in the report. American’s operations have grown by 71% compared to a decade ago and by 14% since before the pandemic in August 2019.
