British Airways will deploy the Boeing 777-200ER from London Heathrow to Madrid . Taking effect on March 29, when it'll switch to summer schedules based on IATA slot seasons, it'll be the first time the carrier has used widebodies to Spain's capital since 2022. BA will begin three additional routes from Heathrow next year , albeit not on the 777.

While fellow IAG airline Iberia will continue to use twin-aisle aircraft to Heathrow, BA's resumption means they'll be used less often than during the summer of 2025. Cirium Diio data shows that Iberia will fly the A330-200, A330-300, and A350-900 (I recently flew an A350 on the route). BA and Iberia primarily use larger aircraft to transport more freight to/from South America.

BA's 777s To Madrid

Covering 672 nautical miles (1,245

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