You'd get this message even if you don't have departure time set, say if you've configured your charge time, with a time range, say 7pm to 6am or similar. If you don't have enough time within that window for the battery to charge to the designated percentSounds like you may have a departure time set, and the car is saying it will not reach the charge level you requested by the time of your set departure. Many times, however, owners reported getting the notice even when do have not had a departure time set.
I've copied a link from a previous discussion that may answer your question. Many times doing a search of the forum can answer questions. Wealth of info. Hope this helps.
I have been using the 120V AC charger provided by Ford to charge my MME (Premium, Extended Range, AWD) at night. (I am taking my time getting a 240V charger installed.) I have been trying to set the car/charger to charge only during nonpeak-rate hours (I have a TOU plan with PGE), however, the...www.macheclub.com