Originally Posted by
ethernal
Not exactly a great habit but if I am only 10 days out before travel I'll wait until T-6 when M fares kick in to help score a C+ seat at the gate. F won't happen (either 0 seats or it goes to someone with a RUC), but 10B/C is way better than 36C.
If you're going to do that you could just... go ahead and buy an M fare at 10 days out.