Originally Posted by mjbehren

Hello everyone,

This is my first post on FT. I have been lurking around for a month or so... Great board!

I just printed out my boarding passes for my flights tomorrow ((K class) GRR-DTW-EWR), and I have a code I have never seen before on my GRR-DTW BP. The letters CKIN are listed twice on the sheet. Any ideas as to what it is, or what it means?


Thanks,
Mb