FlyerTalk Evangelist
Join Date: Dec 2006
Location: Pacific Northwest
Programs: UA Gold 1MM, AS 75k, AA Plat, Bonvoyed Gold, Honors Dia, Hyatt Explorer, IHG Plat, ...
Posts: 16,838
The Amex site says "Allow 24 - 48 hours for the transfer to complete."
A google search led me to believe that the transfer to CO is usually instantaneous. But I haven't done it myself.