Upgrading to DL Reserve AMEX, effect on MQM boosts/certificate timing etc
Say it's June 1st (to pick a date) and I've $23,000 spent on my DL Platinum Amex since Jan 1st, and I upgrade to the Reserve card.
For the purpose of earning MQMs, will the spend count reset to $0 and I will have to spend $30,000 starting on June 2nd and before Dec 31st to get the 15,000 MQMs? Or just $7,000?