Meaghan, do you have your dietitian’s email address or phone number available? Try giving her a call. When we flew to Hawaii a few weeks ago we were very worried my Kuvan and formula would get lost. My dietitian said if it did get lost she would make sure I could get to a clinic that would give me some formula to tide me over. Other then speaking with your dietitian and seeing if she can do anything I am not sure what you should do. Good luck! And have fun in San Fransisco!