Maybe she just found Eros today

or they screwed up in posting it late.

I don't see any reason why that alone would be red flag. *shrug*

7 to 10 days to get an ad up.  If you don't know the pitfalls, and assume, in this electronic age, that you can just send them copy and they'll post it, then the post is likely to go up late.  Don't take it as a red flag.