Might be weather. That pushes it to at least Friday.
Yes, as noted in comments, apparently the launch is back on for tomorrow morning. Elon must have really wanted to do it on 4/20.
Well, the excitement happened. It will be interesting to see the post mortem, but just getting off the pad and through max-Q were major milestones for the first flight of such a beast.
Here‘s Eric Berger’s take.
And more thoughts from Blake Powers.
Marina Koren’s story on Elon’s explosive day.