This is probably because you are a rather new seller. You have only been on ebay for 6 months and you only have 3 feedback from sales, and the first one of those was a neutral .
Once you've made a few more successful sales you should be on the usual time scale for payouts.
But this *usual* time scale for untracked-postage sales payouts is 14 days; still a bit of a wait..🙁
(edit-spelling)