I made a reservation for three people on a Delta flight, and received confirmation emails from Delta. However, I received check-in reminders from Northwest AND Delta, making me think that I accidentally booked the flights twice. I clicked on links in each of the emails and they led me to 2 DIFFERENT flight confirmation numbers, and 2 DIFFERENT flight numbers, one on Delta and one on Northwest. I freaked out a bit more. I know that Delta and Northwest were in the process of a merger so I called them and they sweetly told me that all that info... read full review »