Quote Originally Posted by Rynjin View Post
I mean, even if you head straight there, due to the time crunch, it's almost certainly been at least a day since the attack, or most of one. Delphine had ample time to see Alduin come down, go "Oh ****", and run to Whiterun to talk to one of her contacts (Farengar) and ask him to look into it.
That doesn't check out, because Riverwood is still reeling from the sighting when you arrive, and delphine is still there.