The facts are that Apple has grown as much as it can while sitting on a single carrier.

How can competition be increased at airports where single carriers are dominant?

A single carrier, taking the nano plague from one outbreak to another.

"Are you saying the nano plague's being spread by a single carrier?"

The Americans quickly assembled a group of task forces, each based around a single carrier.

And Eastern markets are among the few that are still not dominated by a single major carrier.

Two aircraft carriers would be stationed in the region, instead of the single carrier that is routinely kept there.

Caribbean Airlines is the single largest carrier in the region, operating at least five daily flights.

It is known from a single carrier in Mali.

With a higher percentage of routes served by a single carrier, average fares will likely be high.