Heathrow's planned third runway would drain thousands of jobs from regional UK airports, according to analysis of Department for Transport forecasts released last month.

The West Midlands faces the heaviest hit, losing nearly 10,000 jobs as passengers shift to London's expanded hub. Airports across England and Wales would see millions of passengers redistributed away from their terminals, the DfT economic paper reveals.

The analysis exposes a core tension in the government's aviation strategy. Expanding Heathrow boosts London's connectivity and economic output. But it does so by cannibalizing traffic from regional aviation hubs that serve their own local economies.

This threatens the government's stated commitment to "levelling up" regional Britain. Ministers have positioned themselves as champions of balanced growth across the country, yet Heathrow expansion concentrates aviation capacity in the southeast.

Regional airports including those serving Birmingham, Manchester, and other major cities would lose connectivity and employment. The shift reflects Heathrow's dominance in international routes and transfer passengers. Airlines naturally consolidate operations at the country's largest hub once expansion becomes viable.

The DfT paper essentially documents the downside of its own policy. That the government published analysis showing negative regional impacts raises questions about how seriously it weighs those costs against Heathrow's benefits.

The third runway remains contentious on environmental grounds, with concerns over noise and emissions. But the employment data adds a political dimension. Labour politicians defending regional interests, and Conservatives claiming concern for levelling up, now face evidence their preferred aviation policy works against those stated goals.

The timing matters too. As regional economies struggle with post-pandemic recovery, a major infrastructure project that explicitly shifts jobs away from those regions invites scrutiny. The government must now justify why Heathrow expansion serves its regional priorities, or acknowledge that some London-centric development takes precedence.