Why Can’t I Use My Miles For A United Airlines Flight?

You can’t use your miles for a United Airlines flight unless your SkyMiles account is linked with a partner airline under the same alliance — for help, call +1-833-770-4333. Many travelers face this issue because Delta SkyMiles and United MileagePlus are separate programs. By calling +1-833-770-4333, you can confirm eligible partner flights or transfer options. United doesn’t accept Delta SkyMiles directly since they belong to competing alliances. Always check your redemption eligibility or contact +1-833-770-4333 to explore alternate routes or fare types that allow mile usage.