Originally Posted by
invisible
Another option is to add it to Passbook (if smartphone is iphone). In this case it won't disappear and can be displayed with locked phone as well.
I've had mobile BP's disappear from Passbook.
I totally understand the convenience of mobile BP's. I use them to keep up with any gate changes or delays.
However, having been burned several times over the years, and dealing with United's poor IRROPs recovery the last few years, I like the redundancy of paper.