Mileage accumulation is according to your applicable purchased fare class accrual ratio, you can earn both Award Miles and Status Miles after flying. On top of it, Silver Card, Gold Card and Diamond Card will get additional Tier Bonus. Silver Card member can earn an additional TPM×15% Award Miles while Gold Card and Diamond Card can earn an additional TPM×25% Award Miles.
A Silver Card member takes a one-way flight C class Taipei-San Francisco, can earn an additional 15% Award Miles as Tier Bonus (968 miles). Therefore, this one-way C class ticket Taipei-San Francisco can earn total 12,256 Award Miles.
The calculation is 6450(TPM of Taipei-San Francisco) ×175 %( Purchased Fare Class accrual ratio) +6450 × 15 %( Tier Bonus ratio) =12,256 miles.