Originally Posted by Turicus

My experience matches this. Was waitlisted for Y-J for several weeks. Never got it. Got an email offer for cash upgrade. Didn't respond. Op-up at checkin. I just don't understand why they don't take miles to make space in Y. It's so overbooked they send out cash upgrade offers, and then have to op-up the Plats/Golds anyway...

I'll keep checking my Y-J upgrades. 2 sectors available (which are always full in Y, medium load in J), 2 sectors unavailable (which are always chocka in J and F, light load in Y; yesterday's flight had >100 empty in Y but 76/76 and 14/14). Makes sense.