Heathrow’s decision to separate Delta Air Lines and Virgin Atlantic has prompted accusations that the airport is protecting British Airways. I understand the concern, particularly when another BA partner is being moved closer to it. But the competitive implications are more complicated than suggesting Terminal 5 wins and everyone else loses.

Does Heathrow’s Terminal Reshuffle Give British Airways An Unfair Advantage?

The planned terminal changes at London Heathrow will move Delta from Terminal 3 to Terminal 4 in 2028, separating it from Virgin Atlantic. Finnair and Japan Airlines will make the same move, while LATAM will move from Terminal 3 to Terminal 2.

Meanwhile, China Southern will move from Terminal 4 to Terminal 5, joining British Airways.

Virgin Atlantic CEO Corneel Koster argues that separating his airline from Delta would “create friction for customers, weaken competition and reduce choice.”

I can certainly see why Virgin objects.…