Originally Posted by
23Consulting
I assume that this means the reverse is possible - If I book a flight through United that is operated by Lufthansa, I would be able to add the reservation to the Lufthansa app and show a Lufthansa boarding pass. Can anyone confirm?
Correct, United will show two PNRs - one for United and one for Lufthansa. Plug that second one into the Lufthansa app and it should show up normally.