SALT LAKE CITY — Several thoughts came to Bill Wyatt's mind as he finally saw the glass windows at the eastern end of the Salt Lake City International Airport's Concourse B for the first time Tuesday morning.

Wyatt, the airport's director, thought of the contractors and construction workers who have worked diligently over the past 12 years to complete the $5.1 billion full buildout of the brand-new airport, many of whom he may never see again as they move on to the next new project.

Then he thought of the legacy left by everyone who planned or built the project, not just over the past decade, but over the past 30 years.

"It's a great feeling because all of us — the thousands of people who have been part of this — are going to have their fingerprints on this facility, which will be here for generations and generations to come," he said, as passengers sifted through to eight new gates behind him.

Salt Lake City airport's initial buildout came to an end this week, as the first flight out of the last…