Join Date: Oct 2004
Location: Sometimes Houston, Sometimes London.
Programs: CO Gold Elite, BA Blue, for the moment - Hyatt Gold Passport, Priority Club, Marriott etc etc
Posts: 2,126
Perhaps they had upgraded all the eligible pax already. I've been on flights where I snagged an upgrade at the airport, and FC still had empty seats - and when elite boarding was called only a few people walked the blue carpet.
It may seem strange, and it is rare, but it does happen.