I too am curious about people's success with changes. I have an itinerary next January of
HKG-BKK in TG I
BKK-FRA in TG O
FRA-LIS in LH I
LIS-EWR in TAP I
Am hoping to be able to change the FRA-LIS-EWR segments to a direct FRA-JFK on LH F at T-10 without incurring an additional miles fee.