Relax mate ... I'm here

Yes, these clouds look really nice? Real wheater and default clouds again I suppose? Pretty amazing then ... if not, which package did you get?
I don't have so much comment about your clouds (other than that they are pretty nice), but your skycolor could be a little more alive. Personally I think it's a little too blue, too saturated. It doesn't seem too realistic. I'm not refering to your time of day but you might experiment with that ,,,
And another tip (if you'll have it) please don't cut of a tiny part of the plane ... I find that a real pitty. If you're cutting parts of the plane make sure it's functional, like in a
closeup