Originally Posted by Stgermainparis

So this is interesting: a month ago spouse downgraded DL Gold Biz to DL Blue Biz the day the $95 AF was due. Only asked for retention on a chat window (which of course they don't do). Exactly one month later, 5k points posted to DL Skymiles account as "SkyMiles AMEX Cobrand Credit Card Bonus". No referrals from this card, low spend. I can't figure out where the bonus came from.