Matrix Diagram. The matrix diagram shows the relationship between two, three or four groups of information. It also can give information about the relationship, such as its strength, the roles played by various individuals or measurements.
Flights to Anchorage arrive at Ted Stevens Anchorage Intl. Airport. There are a number of airports that offer direct Anchorage flights throughout the year and even more that provide Anchorage airfare on a seasonal basis. Once you arrive at the Anchorage Airport, you can take the Anchorage People Mover bus to downtown Anchorage.
Cool data! Another neat thing to look at would be how the airline networks have changed over time. And not to nitpick, but Alaska Airlines has most of their flights going through Seattle-Tacoma, not Portland. Seatac is their hub airport.