Alcoholic sister wants to make amends

My sister has been sober for a year and a half now. A couple weeks ago she called on a Friday night and asked if we could get together the next day, she wanted to make amends to me. I told her I was working but would call her when I got home. She sounded really excited to get together even though we'd seen each other two weeks earlier at our FOO's Christmas celebration. I was excited to see her too, her enthusiasm is kind of infectious.


Saturday when I got home from work I called, she didn't pick up and I left a vim saying I was home and looking forward to getting together. She didn't return my call, but sent me a message over Facebook five hours later at 9pm saying that she had a tummy bug and wouldn't be able to get together.


I feel like I've been sucked in by her yet again. This isn't the first time she's called and wanted to get together to make amends, it happens every six months or so. Every time she ends up backing out last minute or just not calling me back, in a way that is reminiscent of when she was still drinking.


She's called three times since then, once last week and twice this weekend. I'd made up my mind not to take her calls until I was sure I could effectively communicate my feelings about her blowing me off yet again. My question for you ladies is do I keep her on TO until I feel like I'm ready to talk again or am I somehow impeding her progress through AA?