Mate I definitely wouldn't call it a monumental failure. Sounded like you did great to me, exchanged numbers after running on auto pilot for the whole night! I feel that unless you have no intention of seeing her again, a number close is way better than a kiss close. I would have done the same thing if my cock blocking mate got in the car.

If I were you I would give her a call, try to arrange a day 2 and get that kiss close you were after!

Good work!