Throughout the week we post dozens of original stories, connecting the dots across the travel industry, and every weekend we sum it all up. This weekend roundup examines aviation.

For all of our weekend roundups, go here.

>>Until the time comes when airlines need to compete for customers again, passenger sentiment many not matter: Business of Loyalty: Using Big Data to Measure Sentiment Across Loyalty Programs

>>American is reviving its direct-booking conflict with distribution middlemen like Sabre. Advances in technology and fat profits at U.S. airlines make the threat more plausible now than a decade ago: American Airlines Revives Direct-Connect Moves While Sabre Questions Feasibility

>>Norwegian wins lots of awards, and they’re well-deserved. But investors aren’t sure the carrier will produce major profits any time soon. The problem? It may be growing too quickly: Travelers Love Spunky Norwegian Air. But What About Investors?

Photo Credit: Norwegian Air enjoys a satisfied following of consumers, but struggles to get profits up. Norwegian Air