航空公司澄清了里程赚取规则，限制了促销和折扣航班的奖励。 Airlines clarify mile-earning rules, limiting rewards on promotional and discounted flights.

航空公司现在澄清了乘客何时赚取里程。 Airlines now clarify when flyers earn miles. 一般来说，您可以通过定期航班赢取里程，但不能通过促销、季节性或折扣票价赢取里程。 Generally, you earn miles on regularly scheduled flights but not on promotional, seasonal, or discounted fares. 为了最大化您的奖励，请查看票价规则并避免乘坐合作伙伴航空公司的代码共享航班。 To maximize your rewards, check fare rules and avoid codeshare flights on partner airlines.