Why SVO - lots of reasons:
1. We didn't decide to do this trip until late April.
2. Our friends wanted to travel in J and use miles for award tickets, but only had about 280K Sky Miles in his account and just a few in hers. We have enough to pretty much do what we want.
3. They had fixed date constraints.
4. We decided to travel together which made it even tougher to find J availability on the same flights for 4 people in J at low award (125K each) at such a late date.
5. The trip encompasses PRG, BUD and VIE. The only routing that got us from the US (them from MSY and us from anywhere) was MSY-JFK for them and JFK-SVO-PRG, VIE-SVO-JFK for the 4 of us together. We could only get 2 J on SVO-PRG and gave that to them since they have a longer trip.
6. I spent over 2 hours on the phone working with a great CSR in Chisolm to get it all out together and booked. We needed to get it right the first time. Our friend is a GM and would have to pay hefty fees if we needed to change anything after 24 hours. We ended up on DL Metal JFK-SVO and SU metal for SVO-PRG and VIE-SVO-JFK. They're obviously on DL MSY-JFK-MSY. We also return the day after them (couldn't get the seats on the same day). The final numbers were 125K miles + $375 each for us and 135K miles + $375 each for them. Theirs were booked as a round trip and ours as one ways.

So that's how we ended up via SVO and on SU.

Some other stuff. We though we might nonrev over a week before but the trip above is 19 days and my business commitments wouldn't let me get away early. We can still do it for our return, and probably will. My wife is a PM and I'm a DM, so we can cancel up to 72 hours before and get our miles and $ back with no penalty. Now that we realize that LHR would be close to a certainty, and still less expensive than the award return portion so we'll probably try AMS for a day and if we don't make it, go to LHR.

Our son is with 9E so we don't have the full set of nonrev benefits that a DL parent (he's single, no kids) would have (S2's and S3's) but we're happy with what we do have. We just got the DL nonrev late last year so we're learning. We use FCFL for our leisure travel which is a nice benefit. We fly DL a lot. I've got 53 segments so far this year and I'll end the year with about 200K MQM (48K rollover), my wife flies less but will end at about 123K MQM counting her rollover.

So, as Paul Harvey used to say, now you know (most of) the rest of the story.