Originally Posted by
SpeedyDelivery
Would a change of airports from NRT to HND be considered a change of sector or route, or do they act as coterminals?
For pure domestic awards, NRT/HND and ITM/KIX/UKB are inter exchangeable without penalty.
It is stated clearly in web page.
I don't have the definite answer for international awards. However, there is no such description.