Join Date: Feb 2013
Location: SFO, MNL, SIN, HAM
Programs: UA GS, SQ PPS, IHG Plat Amb, Marriot Gold, Hilton Gold, Club Carlson Gold, Accor Plat
Posts: 489
I used to live in SIN for a while and flew that route - SQ221 is more popular with business travelers based on the schedule.
SQ does something similar on other routes, ie SIN-FRA - the more popular time/plane is not/rarely available on saver award, but the less popular time/plane is...
Great visualization btw