A FlyerTalk Posting Legend
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: 100,404
IIRC the last MRT in the evening to the airport leaves downtown around 11 pm. This assumes that you don't miss any connections on the MRT, although the last little leg to the airport should wait for the connection.