Originally Posted by
wlau
CI won't take that boarding pass - I tried. its the same as if CI, MU or KE print a BP for DL flight, DL will make you reprint.
DL Boarding pass worked fine for boarding for me. No reprint was required.
Also - as of last month, arriving flights from the USA on delta do not have to do transit security, which is super nice. You can de board and go straight to the Sky Club. I had not seen this posted, but based on my Google search, seems like it was previous discussed:
https://viewfromthewing.boardingarea...in-april-test/