How long does it take to fly between Vancouver BC and Saudia Arabia?

A random search for flights from Vancouver (YVR) to Jeddah (JED) shows:

OPTION 1: 17hr 30min via Frankfurt (FRA)

YVR - FRA Lufthansa Flt 493 Dep 03:35pm 11Mar,Thu

FRA - JED Lufthansa Flt 592 Dep 12:40pm 12Mar,Fri

Flight Duration: 15hr 35min; Layover Time: 1hr 55min; Total Trip Time: 17hr 30min

A random search for flights from Vancouver (YVR) to Riyadh (RUH) shows:

OPTION 1: 18hr 35min via London Heathrow (LHR)

YVR - LHR British Airways Flt 0084 Dep 08:45pm 12Mar,Fri

LHR - RUH British Airways Flt 1263 Dep 05:10pm 13Mar,Sat

Flight Duration: 15hr 20min; Layover Time: 3hr 15min; Total Trip Time: 18hr 35min