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Do Hilton points expire?
Yes. Hilton Honors points expire after 24 consecutive months without eligible activity — the rule was 12 months until Hilton doubled the window. Any stay, card spend or points purchase resets the clock on the whole balance. Points never expire on a date; only inactivity loses them.
GuideDo Delta miles expire?
No. Delta SkyMiles do not expire and there is no inactivity clock — Delta's own program rules state miles never expire. The catch is value rather than time: SkyMiles are priced dynamically against cash fares, so a balance held for years quietly buys less as fares and award prices rise.
GuideDo United miles expire?
No. United MileagePlus miles do not expire; United dropped its 18-month inactivity rule in August 2019 and has not reinstated it. A balance survives an idle account indefinitely. What it does not survive is devaluation — United prices awards dynamically, so miles held for years tend to buy less.
GuideDo Alaska miles expire?
No. Alaska dropped its 24-month inactivity rule in April 2023, and under the renamed Atmos Rewards program the terms state points have no expiration date and may remain in an account indefinitely. An idle Alaska balance is safe, so the only real risk to it is program devaluation.
GuideHow to earn Delta miles
Delta SkyMiles members earn 5 miles per $1 on Delta fares, rising to 7, 8, 9 and 11 with Silver, Gold, Platinum and Diamond Medallion status; Basic Economy earns none. Partner-airline flights earn by distance and cabin, American Express points transfer in at 1:1 and Marriott points at 3:1, and dining, Uber and shopping add more.
GuideHow to earn United miles
Since April 2026, United pays by fare, status and whether you hold a United credit card: general members earn 3 miles per $1 without one and 6 with one, rising to 9 and 12 for Premier 1K. Basic Economy earns less, and nothing for general members without a card. Chase points transfer in at 1:1.
GuideHow to book United awards
United has no award chart: miles prices move with demand and the cash fare, and the cheapest are limited saver seats. Since April 2026 primary United cardmembers pay at least 10% fewer miles on United flights. Awards can be changed or canceled free before departure, and Star Alliance partners can be booked with the same miles.
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