Approved automatically by https://promo.united.com/offers/statusmatch 120 days of UA Premier Platinum status but it gives a challenge by 120-day completing 12 Premier qualifying flights (PQF) ON united or united express;, and; Earn 4000 (PQF) on united or united express flights. Which I think is not possible to completed. So just 120-day for UA Premier Platinum (i.e. Star alliance Gold)