What's a Mainline Flight?

A mainline flight is a flight operated by an airline's main operating unit, rather than by regional alliances, regional code-shares, regional subsidiaries, or wholly owned subsidiaries offering low-cost operations.

What's the difference between mainline and regional airline?

Regional airlines generally fly aircraft between 50 and 76 seats, while most mainline airlines fly aircraft with 100 seats or more. ... Some regional airlines are actually wholly-owned subsidiaries of the mainline carrier.

What are the types of airlines?

There are three categories in Airlines: Major, National and Regional. Major airlines – These are the heavyweights of the airline industry, and you will often hear about them in the news.