For a Platinum member

Distance for PVG-DFW is 7351 miles

Bonus for business class travel is 50% = 3676

Bonus for Holding Platinum status = 7351

The correct earning for this is 18,378

For DFW-BPT , distance is 270 miles

As a Platinum member minimum mileage guarantee is 500
Platinum bonus is 500

Correct earning for this is 1000

pic 2 has the correct earning for a Platinum member


For a member holding no status

Distance for PVG-DFW is 7351 miles
Bonus for business class travel is 50% = 3676

Total 11,027

DFW-BPT is 270 miles - for a member with no status, there is no guarantee 500 minimum , so 270 miles is the correct earning

pic 1 has the correct earning for a member with no status