Heading east in stable winds and cooling temperatures, which will cause it to descend slowly (which is good).
They should NOT attempt any rescue until he gets close to the ground, or the poor kid will get killed.
He’s probably having the ride of his life, as he was helping build it, and knew exactly what it would do...
Yeah, except he's 6, and almost certainly didn't think through the whole deal.
By now, I think he's probably more than a little scared.