Originally Posted by
flymonthly
OTOH, I haven't been able to get anyone to take my certificates on the day of travel for the last 8 or so flight segments dating back to last December. When I offered them at check-in, the TAs didn't seem to bother looking at them and didn't take them even after prompting. So for the last couple of segments I didn't pull them out and was never asked for them.

Don't you have to give the certificate number at re-ticketing (over the phone)? It's not like you can use them again.