How many hours will it take to fly from Winnipeg to Oklahoma City?

A random search for flights from Winnipeg (YWG) to Oklahoma City (OKC) shows:

OPTION 1: 4hr 46min via Denver (DEN)

YWG - DEN United Airlines Flt 6730 Dep 07:59am 11Jun,Fri

DEN - OKC United Airlines Flt 7446 Dep 10:12am 11Jun,Fri

Flight Duration: 3hr 54min; Layover Time: 0hr 52min; Total Trip Time: 4hr 46min

OPTION 2: 4hr 49min via Minneapolis (MSP)

YWG - MSP Delta Air Lines Flt 6638 Dep 06:40am 11Jun,Fri

MSP - OKC Delta Air Lines Flt 3725 Dep 09:20am 11Jun,Fri

Flight Duration: 3hr 30min; Layover Time: 1hr 19min; Total Trip Time: 4hr 49min