Heathrow Airport reports slight decrease in May passenger numbers despite busy period

Heathrow Airport handled 7.1 million passengers in May 2026 — but that number was actually down 1.2% from May 2025, Belfast Telegraph reported. The drop came even as the west London hub set a new record for the month, with 262,000 passengers passing through on May 22 at the start of the school half-term break.
The main culprit was the ongoing conflict involving Iran. Middle East passenger numbers collapsed by 31.1% year-on-year in May, according to Moodie Davitt Report. UK domestic traffic also fell, down 1.9%. Those losses were big enough to cancel out record-breaking days elsewhere.
Heathrow's April figures had already shown a 5.3% passenger drop tied to the Middle East conflict, according to Slough Observer. May proved just as painful for that region. The 31.1% slide in Middle East routes is one of the sharpest single-region falls the airport has recorded. Heathrow relies heavily on long-haul hub traffic, and the Middle East is one of its busiest corridors.
Not every region struggled, though. Africa routes grew by 5.7% and EU travel rose 2.1%, Moodie Davitt Report noted. Analysts say that shows "underlying demand remains resilient" — the airport's problems are concentrated in one war-hit part of the world, not spread across the whole network.
On May 22, Heathrow handled 262,000 passengers in a single day — its busiest ever for the month of May, The Standard reported. That spike was driven by families heading away for the school half-term holiday. It showed that domestic leisure demand remains strong. But one record day cannot offset weeks of weaker long-haul numbers.
For context, 7.1 million passengers in a month still represents a massive operation. The airport is on track toward its annual forecast of around 85 million passengers for 2026. However, Yahoo News reported that forecast may need to be revised downward if the Middle East situation does not stabilize before the summer peak.
The Iran war is not the only headache. Since February 2026, all travelers transiting through Heathrow — even those who never leave the airport — must pay a £20 Electronic Travel Authorisation fee. Critics say this hands a competitive edge to rival hubs like Paris CDG and Istanbul, which charge nothing for simple transits.
Heathrow CEO Thomas Woldbye has also been at war with the Civil Aviation Authority over investment funding. Woldbye said: "Heathrow has kept Britain connected for 80 years — but today we're operating at capacity... both short and long-term growth is at risk if the CAA delay necessary investment." The airport has a £49 billion expansion plan and hopes to win planning permission for a third runway by 2029, according to Perspective Media.
The longer the Middle East slump runs, the more it threatens Heathrow's position as Europe's top hub. Istanbul Airport recently completed a triple-runway system and handled nearly the same total passenger volume as Heathrow in 2025. If transit passengers keep diverting to fee-free rivals, Heathrow could lose its title as the world's most connected airport.
The airport is investing £1.3 billion in 2026 to stay competitive. Plans include a baggage system overhaul in Terminal 2 and the UK's first trial of autonomous wheelchairs in Terminal 3, Perspective Media noted. Operationally, Heathrow says 97% of passengers waited under five minutes at security on its busiest days — a record it hopes will help win back nervous travelers once geopolitical skies clear.
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