Originally Posted by
Firstboss
Even more than these two, the other Skyteam airlines check-in desks (and priority desks) process Delta flights from check-in to lost luggage. In Madrid it's Air Europa, China Airlines in Taiwan, Aeroflot in Russia (when it was in Skyteam), and LatAm non-Skyteam partner in South America
In London Heathrow , Virgin Atlantic handles DL flights from check-in, etc