What to text when a girl flakes last minute?

A cancel an hour before is different from one three days out. A late cancel usually means something real happened in her day, like work running over, a friend in trouble, or just not having the energy she thought she'd have. It rarely means she's lost interest in you. What it does tell you is roughly how she handles plans when life gets in the way. If she gives you a real reason and proposes something concrete, that's a good sign. If she goes vague and never circles back, that's the thing to watch.

Also look at how she writes. A short apology with a specific reason reads very differently from a breezy "oops, can't make it" with nothing after. The first suggests she's reasonable and cares about the plan. The second suggests she doesn't think of it as a big deal. That can be fine, but it means you should adjust your expectations about how invested she is so far.

There are basically two kinds of reply that work here. The first is the easy acknowledgment. It takes her reason at face value, says you're fine, and stops. It's the right call when she's already apologised and given a clear reason, because anything more just adds weight. You can tell a draft is this kind because it's short, has no question in it, and doesn't mention what she should do next. Leave out any lecture about being reliable and any hint that you're disappointed.

The second is the forward-leaning reply. It accepts the cancel and makes a light, low-effort move toward a new date, usually by naming one loose option instead of a menu. It fits when she sounded properly sorry and you're still keen. You can tell it's this kind because it contains one suggested time or a general "let's sort another night," with no deadline. Leave out questions about her schedule that she has to work through, and any phrase that makes the next meetup feel like a debt she owes you.

Once you've replied, the ball is in her court and you should let it sit. If she comes back with a new time, confirm it and keep the logistics simple. If she says nothing for a couple of days, one short follow-up is fine. Make it something light that references the plan, sent during the day rather than late at night. Make it easy for her to say yes or to let it go.

If there's still silence after that, stop. Two unanswered messages after a last-minute cancel is her answer, even if it's not a comfortable one. Don't send a third message to check, don't post about it, and don't read her replies to other people for clues. Move on and put your attention on whoever is still making plans with you.