Heathrow cuts 2026 passenger base case by 1.1% to 83.6M, citing Iran-conflict travel disruption
Heathrow forecasts full-year 2026 passenger numbers will fall 1.1% to 83.6 million versus 2025, warning that the US-Iran conflict is worsening route uncertainty and dampening demand. The airport expects the decline after handling 84.5 million passengers in 2025, setting a lower outlook for this year’s traffic.