Board Thread:Naruto Discussions/@comment-36512555-20191224052011/@comment-30323490-20191224194912

UltimaDude wrote: Vladosaurus wrote: Flying thundergod works like the summoning technique, yet you don't need blood contract for it. You just teleport somebody from mark 1 to mark 2, and the mark is most likely chakra based. FTG has nothing to do with the summoning jutsu.

I think it was stated that they work in similar fashion. At the end of the day, both of them are glorified space-time jutsus.