Welcome to FT.

First off, not all mileage programs are created the same. Some miles are worth more than others. In fact, looking at the Skywards program, they seem like really tough points to earn while Skymiles (or Skypesos, as we call them around here) are pretty easy. For example, if I wanted to fly to India from LAX on the cheapest fare possible, I would earn 8,000 Skywards points. On the cheapest fare on Delta, and depending on the routing, I could earn upwards of 21,000 Skymiles (which is pretty close to the lowest elite tier; you would actually earn >26,000 Skymiles if you had that lowest tier elite status).

Thus, 86,000 Delta Skymiles can be achieved by 3 of these round-trips plus a few cheap domestic flights. However, 86,000 Emirate Skywards points would require about 11 round-trips at the cheapest fare.

Delta Skymiles cannot be transferred to other mileage/points programs (that I know of, at least), but 86K can still take you places. This is the Skymiles award chart -- keep in mind that those numbers are the miles required for a one-way ticket, but you can only redeem round-trip, so double each number.

While there is a low/medium/high availability, if you can find a Skyteam partner award seat, it'll be at the low level, so check out their list of partners.