Sorry to hear about your Expedia drama. I usually use travel websites but this time I booked directly with AA to make sure we had no issues and I am so glad I did with all these stories I keep hearing. We are doing connecting flights and even though lost luggage is a concern I figured we could manage. Pack the most important wedding items in your carry-ons, also throw in a bathing suit, meds, an outfit and all your paperwork and you will be set for a day of two if the worst happens. Also, I read some traveling tips that suggested packing half your stuff in your bag and the other half in your FIs and vice versa. That way you are both covered if one goes missing. I also told all my BMs that they HAVE to carry their dresses on board with them but I think I might just hang them in with my dress to make it easier and give them room for an extra carry-on....hopefully filled with my stuff.