Originally Posted by
MSPeconomist
I also would have thought that the dividing line is based on D1 service, so that northern South America is considered short haul regardless of actual flight times.
However, AFAIK all of the intraAsia flights from NRT (inter port) have D1 light meal/wine service but free alcohol.
All interport flights are D1. They may have a lite version for shorter flights, but they're still D1.