Do Airline Miles Expire? The 2026 Rules for Every Major Program

Most major U.S. airline programs no longer expire miles for inactivity, but several — including American AAdvantage, Air Canada Aeroplan, and most international carriers — still do, and the rules differ by program. Before you assume a small purchase will protect a balance, check your specific program's current terms for what counts as activity and when your clock resets.

Stop thinking "miles expire" and start thinking "this specific program's clock"

The common mistake is treating "airline miles" as one universal rule. They're not. United, Delta, Southwest, and JetBlue currently don't run inactivity expiration at all. American Airlines does — 24 months of silence and your AAdvantage miles are gone. Air Canada's Aeroplan is tighter still, at 18 months. Emirates and ANA don't track activity at all — they expire miles on a fixed calendar regardless of what you do in the account.

So the real question isn't "do miles expire." It's "what does my specific program count as activity, and when was my last qualifying transaction." That's worth checking in your account dashboard directly, rather than relying on a general rule of thumb.

The program-by-program breakdown

The American row is worth flagging specifically, since it's the largest U.S. airline still running an inactivity clock while its major domestic peers have dropped the practice. If you're holding AAdvantage miles and haven't flown American, used a partner, or touched a co-branded card in close to two years, that balance is worth checking now rather than later.

How to keep a balance alive without booking a flight

1. Identify the exact program, not just the airline brand. Atmos Rewards, AAdvantage, Aeroplan, and Flying Blue all have different rules even though they're all "airline miles."
2. Pull up your account dashboard and find the last qualifying activity date. Most programs display this directly; if it's not obvious, contact the program before assuming you're fine.
3. Read what actually counts as activity for that specific program. Some count both earning and redeeming. Others, like Flying Blue and ANA, treat them differently, or don't let new activity protect older miles at all.
4. Complete a small, low-cost eligible transaction weeks before the deadline, not days before. A shopping-portal purchase, a dining-program meal, or a transfer in from a transferable rewards program can work — but only if that specific airline program treats it as eligible activity.
5. Confirm the miles actually posted and that the expiration date moved. A transaction made before the deadline doesn't help if the miles don't credit until after it.
6. Set a calendar reminder 30 to 60 days ahead of any known deadline. Build in a buffer for merchant reporting delays and processing lag.
7. For fixed-expiration programs like Emirates or ANA, assume nothing you do will extend the deadline unless the official terms say otherwise. Don't risk a real balance on a workaround the program never states it honors.

This isn't about finding a loophole. It's reading the actual terms of a program you're already a member of — the same way you'd read the terms on a card before carrying a balance.

A worked example

Say you've got 45,000 American AAdvantage miles sitting in an account you haven't touched in 22 months — no AA flights, no partner activity, nothing. You're two months from the 24-month inactivity window closing, and 45,000 miles is a meaningful redemption, not pocket change.

The move here isn't to book an expensive flight you don't need. It's to generate one small, eligible, qualifying transaction — a purchase through an AAdvantage shopping partner, or a transfer in from a transferable points program, if that program's terms count transfers as qualifying activity. Do it with enough runway (several weeks, not three days) so the miles have time to post before the deadline. Then go back into the account and confirm two things: the miles landed, and the "last activity" date moved forward. If either one didn't happen, the balance isn't protected yet — a transaction alone doesn't guarantee anything until it's reflected in the account.

That verification step is the part people skip, and it's the part that actually matters.

The bottom line

Most major U.S. programs no longer penalize inactivity, but American, Aeroplan, and most international programs still do, and what "counts" as activity is inconsistent enough that a blanket strategy can backfire. Check the specific program's current terms, not a general rule of thumb, before letting a five-figure-style mileage balance ride on an assumption. Program terms shift over time, so treat this as a starting checklist and verify directly with the airline's official mileage-expiration page before you act.

If you're building a broader strategy around transferable points, card spend, and how your credit profile supports all of it, that's foundational work too. Our Credit Reset Quiz is a quick way to see where your credit stands before you start optimizing the rewards side of the equation — the two are more connected than most people realize.