Moderator, Marriott Bonvoy & FlyerTalk Evangelist
Join Date: Oct 2002
Location: McKinney, TX, USA
Programs: United Silver; AA Plat/2MM; Marriott LT Titanium; Hilton Gold
Posts: 11,773
There has been some discussions in this forum about Marriott looking back at your stay history for 3 to 4 years. And if you have enough nights over that period they will keep you at your current level. Now how many nights are "enough" isn't really known.