Wow!!! That was great trip reports. I'm glad you are so enjoyable for flying on DL/NW out of SEA-JFK-RDU-MEM-SEA. So I remember that I was there in MEM years ago and it was very old terminals and its time to start underway renovations the entire terminal. it was too overcrowded where those passengers is flying through MEM.
So I know it was real problems with the nose bleeding. It should have to put the ice on it and keep head back for 5 minutes when the bleeding is stop. Because it was too dry out there. I remember what happened to me that I got nose bleeding during my flight out of ATL-PHX years ago. SO the nurse came by to see me and I have to stop nose bleeding. So it should have try to get better. I was called out to need help with my F/A in the First Class. I know it was very extremely hot weather in Florida. It will cause too much problems the nose.