Kevin Clarke wrote:

On 7/29 I filed via DUATS an IFR departure from KFIT to KBHB via ENE.
This was at 1200Z. My proposed time off was 1500z. My morning went
quicker so when I got to the airport I called BDR FSS on the RCO 118.025
and amended my time off for 1300Z and filed for an alternate KBGR.

They had no record of my flight plan and called into Boston to get the
info, which I thought was strange.

DUATS holds the plan until one hour before departure.

From http://www.duats.com/web_help.html

"Flight plans are stored within the CSC DUATS computer until one hour
before the proposed departure time, at which time they are transmitted
to the appropriate FAA facility. If you have a flight plan in the system
which has not yet been transmitted to the FAA, you may use the "cancel"
facility to remove it from the system. If a flight plan has already been
transmitted to the FAA, it cannot be cancelled - you must file a new
flight plan. If you do file a second flight plan, please be very careful
to ensure that you activate or pick up the flight plan you want, as it's
easy for flight service or controllers to simply match your aircraft's
tail number with the first flight plan they see!"