Delta Air Lines SkyMiles® Incentives program You deserve to go higher and higher. Fly higher with ProBill and the Delta Air Lines SkyMiles® Incentives program. We don't like to brag, but our Technology Partners are pretty special. That's why ProBill likes to shower them with all kinds of wonderful exclusive benefits and privileges. Think of SkyMiles as our way of saying we're glad to know you. It's also our way of saying thank you for your valuable business and for your hard work. You will be notified via email regarding your purchase incentive including information about how to claim your SkyMiles reward. Click here to learn more about the SkyMiles Incentive program.