Still an atmospheric flight model in space
which is a design choice, and harks back to the original game that Elite Dangerous is a sequel too. FD tried full neutonian in Frontier and 1st encounters and whilst it is more accurate, (and has its share of fans) most people - including David B himself - found it less fun to play than the simpler model in the 1st game.... add to that it would not have worked as well in a multiplayer environment.
Elite has lost a lot of potential due to it wanting to be multiplayer imo......... accelerated time would have allowed for some great glory shots, and one of the reasons we dont have more destrucable environments is because a subset of players would just destroy everything....
so even forgetting the subjective view of what is more fun.............. full newtonian is just another victim of multiplayer in elite.
that said, along with the sound which never dissapoints...... i love the combined flight model we have in elite when in space, it does give a nod to realism when you turn of FA - within the constraints of networking and multiplayer.. .... i would like a little more complexity around planet surfaces personally, esp if we ever get proper atmospheres.