Originally Posted by xliioper

The DL Challenge has an MQD component in addition to MQM which you have to meet unless you get the MQD Waiver. For matches between 11/1/2019 and 2/1/2020, you have to meet the Amex spend MQD Waiver requirement by the end of your 3 month challenge period if you don't meet the MQD requirement for the challenge. Also, DL wants a statement showing activity to see that you earned your AS status via normal requirements. If you got you got your AS status via a match, they will likely not grant the challenge.

https://www.delta.com/us/en/skymiles...atch-challenge