American is sending out targeted offers where you can earn triple miles on Business and First class flights through August 31, 2017.
This is a great offer for those eligible and who fly on paid tickets in the front of the plane! Unfortunately though, only those that received this offer are eligible. You can try to register here by entering promo code PR1TM. The system will let you know whether or not it can apply the promotion to your account. You must register by June 7, 2017.
If you are able to take advantage of this offer, enjoy the bonus miles!