Time period is 3 months. My challenge is going from 1/8-4/8. Also if you pay 200 for the platinum challenge (gold challenge is less expensive) and do not reach 12.5k miles, but do reach 7k miles, just call and they will give you gold status.
[Edit: 4/8. Not 3/8]
Last edited by prs5117; Jan 4, 2016 at 12:43 pm