Join Date: Jul 2004
Location: Live: IWI; Work: DCA/Everywhere; Play: LAS/SJU/MLE
Programs: AA EXP, DL PM, Hyatt Glob, Marriott Ambassador/LTP, Nat'l Exec Elite, LEYE Gold
Posts: 7,439
Any time the same calendar day is fine, except at those listed exceptions.
I've personally dropped bags early at DCA numerous times, including 12+ hours, never a problem. (Happens when we get into Dulles early on an international flight and then fly out of DCA later in the day.)