4 to 5 days for standard delivery. You will first receive the mail that 'your order is getting fulfilled' and then after another day 'your shipment on the way' & then it will take one or two days time. Flipkart deliveries are faster due to their fulfilment process & delivery options.
Nokia website clearly states standard delivery can take upto 4 to 5 days after launch date. Since it launched on 30th, you should probably get it before September 6th.