The British Airways UK Avios line is now 24/7 (but results are mixed)

Update, 21 August 2026: Since publishing this piece we have had a number of messages and emails from readers. Some had success. Others did not. Our own experience now looks like it was in the minority. It would be unfair, then, to call this the definitive new way of booking reward seats. We would recommend keeping the US number to hand for now, just in case. I've lost track of the number of times…