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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,417
Around major holidays, many airline lounges close or keep abbreviated hours.
PMNW policy was that the main lounges at hubs (MSP and DTW in particular) never closed (except forr their overnight closing hours) but other lounges were generally closed for Christmas, Thanksgiving, etc.