You can add a Loyalty program straight to your profile and then be able to add it to the 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.
- Select the Frequent Flyer Number while you are booking your flight on the summary page.