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: 102,617
To some extent, it depends on the particular aircraft type, not just the carrier.
Maybe if you post the route (where are you flying from?) someone here will be able to give a sensible answer.