According to The BIrder's Handbook, Incubation from 16-18 days 
and fledging from 16-18 days. 

  --
Ron Payne
Middlebury, VT

On Tue, 31 Jul 2012 12:12:24 -0400, Linda Lunna 
<[log in to unmask]> wrote:
A pair of Eastern Kingbirds have a nest by the rear entrance of the
> Stockbridge Post Office and are "attacking" the postmaster, assistant
> postmaster, mail carrier, painters, etc.    It has been a little over two
> weeks--any ideas how long before the babies leave the nest and things get
> back to normal?
>
>