Delivery by airmail is worldwide. Dispatched by Russian post every shipment carries online trackable number applicable to your local postal service provider. Within 24 hours after sale date your item will be forwarded to post office. Usually it takes 24-36 more hours to dispatch and get back tracking number.
So for in-stock items you could expect not more than 60 hours to pass before tracking is available for your purchase. After that it will take up to 28 days to get the parcel delivered.

Express delivery via DHL and UPS is subject to prior confirmation on a case-by-case basis.