Although you can add your FFP number, double-check on each of your subsequent reservations. For my account, it defaults to my UA FFP until I "Edit Travellers" each time (this was before the recent changes to their UI).
[Closing this off-topic thread (this type of question belongs in the UA forum) to prevent it from being grave-robbed again in the future. Adam Smith, AC Forum Moderator]
Last edited by Adam Smith; Aug 8, 2022 at 11:49 pm
Reason: Add moderator note