[wiz21c]

SpaceX has re-done something that was already done. It's no small feat, but the proof of concept existed years ago.

An electric plane with 100+ person on board has no POC so far...

[kbart]

Rocket launches have pretty high failure rate of 0.8 - 8%[0]. That is not acceptable for commercial flights. Would you fly a plane that fails mid-air one flight out of twenty?

0. http://space.stackexchange.com/questions/8566/what-is-the-su...

[jhbadger]

Also, SpaceX is fine with having their vehicles occasionally explode. Which is considered par for the course in spaceflight circles, but not so much in jet travel.

[koolba]

Well they're a startup in the traditional sense as rockets tend to "move fast and break things".