Delta SkyMiles, explained.
Every Nanvero guide and calculator for Delta SkyMiles, in one place.
Delta SkyMiles is the rare major program with no expiry at all — Delta's own program rules state miles never expire and there is no inactivity clock. The trade is pricing: SkyMiles awards are set dynamically against the cash fare, so the buying power of a held balance drifts down as fares rise.
SkyMiles never expire, which makes Delta's program simple to hold and easy to forget. These guides cover how miles are earned on Delta flights, the Delta Amex cards and partners, and what the lack of an expiry date does and does not protect you from.
The catch is pricing. Delta sets award prices against the cash fare, so the buying power of a balance drifts as fares change, and saving miles for years rarely pays off. Amex Membership Rewards transfer to SkyMiles at 1:1, and Virgin Atlantic Flying Club can book some Delta flights from a fixed chart. The Virgin Points calculator shows where that route comes out cheaper.
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Nanvero reads your Delta SkyMiles balance out of the emails the program already sends you — no loyalty password — and warns you before anything lapses. Free for up to three programs.
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