You can add a Frequent Flyer number or Loyalty Program to your profile, then you'll be able to add it to any flight you choose.
Add a Frequent Flyer Number
- Click Your Profile --> Loyalty Programs
- Click Add new Loyalty Program
- Select the Frequent Flyer Program and insert your associated number. Click Save Changes to add the Frequent Flyer Number to your profile.
- When booking a flight, on the summary page you can select the relevant Frequent Flyer Number from the dropdown list.