Do airline miles expire?

Yes, most airline miles expire if there is no earning or redemption activity for a certain period. Typical expiry rules:

• American Airlines AAdvantage: Miles expire after 24 months of inactivity

• Delta SkyMiles: Miles NEVER expire (one of the few no-expiry programs)

• United MileagePlus: Miles expire after 18 months of inactivity

• British Airways Avios: Expire after 36 months of inactivity

• Emirates Skywards: Miles expire after 36 months of inactivity

• Qantas Frequent Flyer: Points never expire with qualifying activity

• Air India Flying Returns: Miles expire after 36 months

• IndiGo 6E Rewards: Points expire after 12 months

To keep miles active without flying:

• Shop through the airline's shopping portal

• Use a co-branded credit card

• Stay at partner hotels

• Rent a car through airline partners

• Earn miles on dining programs

Always check your specific program's terms — rules can change without notice.