Originally Posted by
WineCountryUA
Existence of R on an individual segment, beleive so with 2 exceptions
- Flights booked as direct flights (ORD-HKG-SIN)
- 3 class aircraft used on PS routes
So if you're flying ORD-HKG-SIN and R>0 on ORD-HKG but not on HKG-SIN, you cannot upgrade at all?