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: 100,413
DL has superior operational reliability and generally better staff/customer service, including IROPs rebooking.
Note however that DL generally doesn't do status matches, just (free) status challenges.