Independent Miles Mosaic guide. No programme partnerships, no account linking, no scraped balances. Sources cited below; corrections welcomed.
Every loyalty programme runs a clock that determines whether you keep, earn, or lose elite status, and the clocks do not all reset at the same moment. Knowing when each major programme’s qualification year ends is the difference between a well-timed trip closing a gap and the same trip landing in the wrong window entirely.
The four types of qualification clock
Major airline and hotel loyalty programmes group into four distinct clock types. Most US carriers and large hotel chains share the simplest model: a fixed calendar year that resets on 1 January. But British Airways, Air France-KLM, and several Asia-Pacific and European programmes each run a different structure that catches members off guard when they plan using calendar-year instincts.
Calendar year (resets 1 January)
The most widely used structure. Qualifying activity from 1 January through 31 December counts toward status, and the counter starts from zero on New Year’s Day. This is the model used by American AAdvantage (Loyalty Points), United MileagePlus (Premier Qualifying Points), Delta SkyMiles (Medallion Qualification Dollars), and Lufthansa Miles & More (status miles on a calendar year per the programme’s current terms).
On the hotel side, the same calendar-year structure applies to Marriott Bonvoy, Hilton Honors, World of Hyatt, and IHG One Rewards. For these programmes, a qualifying night on 31 December belongs to this year’s counter; the same night on 1 January begins a fresh count toward next year’s tier.
The practical consequence is that the final quarter of the year is decision time. If you are within striking distance of a threshold in October, November, or December, you have a genuine window to act. If you are not, there is no carryover: the qualifying total resets regardless of how close you came.
April-to-March year (resets 1 April)
The British Airways Club (the programme formerly known as Executive Club) uses a qualification year that runs from 1 April through 31 March. British Airways’ own tier pages set the current thresholds at 3,500 Tier Points for Bronze, 7,500 for Silver, 20,000 for Gold, and 65,000 for Gold Guest List, all earned within that April-to-March window.
For members who also chase a calendar-year US programme, the misalignment is easy to underestimate. A January transatlantic trip earns Tier Points in the current British Airways year (which does not close until 31 March) while simultaneously earning Loyalty Points in the next US programme year. The same flight lives in two different qualification windows at once. Tracking both against their respective deadlines rather than one shared calendar date is the only way to stay ahead of it.
Activity expiry in the British Airways Club runs roughly 36 months on Avios from the date of last earning activity, per the programme’s current terms, though the qualification Tier Points clock resets each April regardless of whether Avios expire.
Rolling 12-month window (advances daily)
Air France-KLM Flying Blue takes a structurally different approach. Rather than a fixed start and end date, Flying Blue’s XP system looks at Experience Points earned in the trailing 12 months, with the window advancing continuously. There is no single “qualification year end”; XP earned 13 months ago falls out of the calculation as XP earned today enters it. Status erodes gradually as older high-XP flights age out, and a burst of flying immediately improves your standing without waiting for an annual reset. Silver requires 100 XP, Gold 180, Platinum 300, and Ultimate 1,500, per Flying Blue’s current published figures.
A rolling window demands a different planning posture: the question is not “what do I need before 31 December?” but “what does my trailing 12 months look like today, and what drops off next month?”
Personal membership year (tied to enrolment date)
Several programmes tie the qualification period to the date you personally joined the programme. Your year end falls on the anniversary of your enrolment, which means it may fall in any month of the calendar and differs from every other member. Four significant programmes use this structure:
Singapore KrisFlyer: per KrisFlyer’s membership tier pages, qualifying miles are counted within the 12-month period from your membership anniversary. Elite Gold requires 50,000 qualifying miles; Solitaire PPS Club is a separate, spend-based tier. Activity expiry runs approximately 36 months from your last qualifying activity.
Qantas Frequent Flyer:Qantas’ status credits system also operates on a personal membership year anniversary. Bronze requires 300, Silver 700, Gold 1,400, Platinum 1,800, and Platinum One 3,600 status credits in the rolling membership year.
Emirates Skywards: per Emirates Skywards’ membership tier terms, the qualification period is the 12 months following your tier award or renewal, again tied to your personal milestone rather than a shared calendar date.
Accor ALL (Accor Live Limitless):Accor ALL’s programme terms link status qualifying nights to a personal membership year, with a 12-month activity window for points expiry. Silver requires 10, Gold 30, Platinum 60, and Diamond 100 qualifying nights per membership year.
Activity and points expiry: a separate clock
Qualification-year resets and points expiry windows are two distinct clocks. Status requalification determines whether you hold a tier; expiry determines whether the miles or points you have earned retain any value. AAdvantage miles carry a 24-month inactivity window per American’s programme FAQs; IHG One Rewards and Accor ALL use 12-month windows; British Airways, Lufthansa, and KrisFlyer run approximately 36-month windows tied to qualifying activity. For a programme-by-programme breakdown of what each currency is and how qualifying units differ from redeemable points, see the companion piece on status currencies explained.
Timing strategy by clock type
Knowing the clock type immediately suggests the right planning posture for each programme.
Calendar-year programmes: the Q4 calculation
From mid-October onward, every member of a calendar-year programme should run a straightforward calculation: current qualifying total versus threshold, against the trips already booked before 31 December. If the gap is closeable with a booked flight or a stay already on the calendar, there may be nothing to do. If the gap requires deliberate additional activity, the Q4 window is the last practical point to act.
April-to-March programmes: the January check-in
For British Airways Club members, the equivalent of the Q4 calculation falls in January and February. With the qualification year closing on 31 March, any trip taken in the first quarter of the calendar year carries outsized importance for the BA programme. A long-haul January flight that yields Tier Points may be the difference between retaining Gold and dropping to Silver; the same trip credited to a calendar-year airline programme counts toward a year-end target still nine months away.
Rolling-window programmes: the trailing-months view
For Flying Blue, the planning question is different again. Rather than a deadline, the relevant question is: what earning activity from 12 months ago is about to drop out of my trailing window? If a cluster of high-XP flights from 13 months ago is about to age out, status can slip without any change in recent travel behaviour. Conversely, a burst of XP-earning activity today takes effect immediately rather than waiting for an annual reset.
Personal membership year programmes: record the date
For KrisFlyer, Qantas, Emirates Skywards, and Accor ALL, the single most important planning step is recording your personal anniversary date and treating it as a hard deadline in the same way a calendar-year member treats 31 December. Because the date is personal, there is no shared community moment to serve as a reminder. You may have earned your tier in February four years ago and have little reason to remember it unless you have written it down.
Miles Mosaic, for example, is built so a cross-programme tracker can record each programme’s renewal date next to its qualifying total, giving you a single view that surfaces when your personal year closes regardless of the programme type. It never asks for a loyalty password; the dates and balances are entered or uploaded by you. For membership-year programmes in particular, that kind of explicit record makes the difference between acting in time and discovering the window closed last month.
A reference table: major programmes by clock type
Use this as a quick-reference index. Always verify the current terms directly with each programme before making a booking decision, as reset dates and thresholds can change.
Calendar year (reset: 1 January)
American AAdvantage (Loyalty Points)
United MileagePlus (Premier Qualifying Points)
Delta SkyMiles (Medallion Qualification Dollars)
Lufthansa Miles & More (status miles, per current terms)
Emirates Skywards (per tier award or renewal date)
Accor ALL (qualifying nights, anniversary-based)
The practical routine: what to check, and when
Running this across four clock types sounds complicated, but it reduces to three habits.
Record every reset date explicitly. For calendar-year programmes, that is 31 December, shared universally. For BA it is 31 March. For personal-year programmes, look up and write down your specific anniversary date. For Flying Blue, there is no reset date to record; instead note what XP is 10 to 12 months old in your activity log and therefore at risk of dropping out of the trailing window.
Run a status check six weeks before each deadline. Six weeks is enough time to make a deliberate booking if you find a closeable gap. Two weeks is often too late for the calendar-year programmes because December travel books out quickly. For the April-to-March BA year, mid-February is the equivalent window. For rolling-window Flying Blue, “six weeks before” translates to checking whether any high-XP activity from 10 months ago is about to age out.
Use booked trips, not hoped-for travel. A projection built on flights you might take is not a projection; it is wishful thinking. A useful status forecast counts only confirmed bookings in the correct cabin class on fare types that earn qualifying currency. For a practical walk-through of applying this across multiple programmes, see how to track elite status across every programme.
Soft landings and status rollover
Several programmes offer protection against a single bad year through status extension or rollover mechanics. Calendar-year programmes that offer a form of rollover typically extend the current tier or reduce the requalification threshold if you meet a partial target by year end. Exact conditions vary, so the right question is not only “can I requalify?” but “which programmes offer a soft landing if I fall short, and which will simply drop me?”. We cover the mechanics in detail in the guide to soft landings and status rollover.
The bottom line
Qualification clocks are not an administrative detail. They are the architecture that determines whether a trip earns you the status you are planning around. Calendar-year programmes make Q4 the critical window. The British Airways Club makes January and February equally important for a different reason entirely. Flying Blue makes the question continuous rather than seasonal. And personal membership year programmes make your specific anniversary date the single most important date to record.
None of this is particularly complicated, but all of it requires knowing which clock you are looking at. If you hold status across more than two or three programmes, keeping that picture in one place is the only way to act on the right deadline at the right time. You can track all your programmes in Miles Mosaic, or create a free account to record your qualifying totals and renewal dates alongside each other.
Sources & references
Programme rules verified against the official sources below in 2026. External sites open in a new tab.
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