How to reply when she says she's still getting over a canceled first date

The canceled date hurt because she actually wanted it to happen. That's not a red flag about her stability, it's a green flag about her capacity to care about plans. The fact that she brought it up means she's processing it, not stuck in it.

What matters is context. If this happened two weeks ago and she's still venting daily, that's different from mentioning it once because it came up. She might also be testing whether you'll bounce at the first sign of real feeling, or whether you can sit with something that isn't perfect. Don't overcorrect by tiptoeing. Just read whether she's looking for a quick reassurance or if she needs to vent about it once.

Your reply should do two things in sequence. First, confirm that getting canceled on is legitimately annoying. Don't minimize it or explain why the other person probably had a good reason. Just let her know you get why that sucks.

Second, create a small pivot. This doesn't mean ignoring what she said. It means showing that you're still here for what's next without making your presence about compensating for the last guy's failure. A simple shift in your message can do this, like moving from the canceled date to what you're actually planning together.

Respond within a few hours if you see the message same day, or first thing the next morning if it comes late. Waiting three days to reply looks like you're unsure how to handle emotions, which will make her more anxious about what she shared.

After you reply, watch how she responds. If she engages and moves on, you're good. If she keeps bringing it up or seems stuck in frustration about the other person, that's worth noticing, but it's not your job to fix. If she goes quiet after your reply, give it a day or two before checking in again. Don't keep prodding about the canceled date. Let that die and focus on building something new with her.