That picture looks like it has been made using a star tracker (therefore no star tracks), however how one would use a contraption like that in an aircraft seems, well, interesting. But even than the winglet should be much brighter, so it has to be a composite image out of different single pictures. However an aircraft is never ever completely stable, so there should have been star tracks from aircraft movement.
Well, probably several ISO 25600 pictures, to remove sensor blur, superimposed to each other with a lower ISO picture for the foreground.