Originally Posted by
wcalvert
Some of their flights are restricted, what was the flight that had availability that CO didn't see?
It was SIN-AMS on a 77W. I've now discovered one cannot book C/F awards on a SQ 77W long-haul flight with UA or CO miles. SQ still serves SIN-FRA with a 747, so I'll have to keep checking back for availability on that flight.