Agreed. Hipmunk tries to be a good interface when there are a dozen similarly priced flights to choose from, but in my experience, there is one carrier with go

Agreed. Hipmunk tries to be a good interface when there are a dozen similarly priced flights to choose from, but in my experience, there is one carrier with good prices and good connections for a given route, and then choosing which of their two flight options for a given day is easy enough with Kayak's tools.