In your place, at that time, I probably would have done the same thing. Now that I've got some time in and understand AA a WHOLE lot better, I would have continued on and gone to the meeting. If she wanted to join me or sit out in the car....that's up to her.
Given the lives most of us have led in our addictions, it's not too difficult to guilt-trip us....that's my experience anyway. I already felt bad for so much that I ffelt like I just owed everyone all the time.
That being said, I believe things happen for a reason so maybe you probably weren't supposed to BE at that meeting that night.
Here's the challenge though: find another meeting to go to. You can google AA, get the number or your local office, call the # and find out what meetings are in your area today/tomorrow - then make up your mind to go to that one.