A random search for flights from Denver (DEN) to Dubai (DXB) shows:
OPTION 1: 20hr 15min via Houston Intercontinental (IAH)
DEN - IAH United Airlines Flt 490 Dep 12:30pm 29Jul,Thu
IAH - DXB Emirates Airlines Flt 212 Dep 06:50pm 29Jul,Thu
Flight Duration: 17hr 21min; Layover Time: 2hr 54min; Total Trip Time: 20hr 15min
12 hours.
7 hours
7 hours
1600 years
Three hours
3-4 hours
bout tree fity
78 seconds
one hour
About 7 hours.
8 and a half hours.
4hrs n 30 min