Join Date: Oct 2004
Location: Anywhere but home
Programs: AA EXP, UA Gold/MM, DL Plat/2MM, HH Dia, PC Plat, MR Gold, ALL Sil
Posts: 4,678
For what it's worth, I can't recall a single instance of being re-routed on another airline when Delta has severe mechanical delays, even as a diamond. Same when flying United as a 1K in the past 2 years. Never hurts to ask (again) though.