I wouldn't worry about it. Your flight is one of the first out (I assume from Portland), so getting in by noon should be fine. Do you have to connect someplace? My recollection was it's only a couple hours from Portland to San Diego by plane.
2007 - Majesty of the Seas (Bahamas)
2009 - Enchantment of the Seas (Western Caribbean)
2010 - Freedom of the Seas (Western Caribbean)
2013 - Golden Princess (Alaska, roundtrip from Seattle)