In Memoriam, FlyerTalk Evangelist
Join Date: Jul 2002
Location: Durham, NC (RDU/GSO/CLT)
Programs: AA EXP/MM, DL GM, UA Platinum, HH DIA, Hyatt Explorist, IHG Platinum, Marriott Titanium, Hertz PC
Posts: 33,856
I've missed one, back when I was Select and riding the Carolinian on a Sunday from Washington DC to Cary there was no space by the time I was able to use my coupon. Otherwise I've been able to apply them to NERs pretty easily from 2013-2016 when I had Amtrak status.