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Southwest Airlines dominates five key U.S. airports amidst legacy competitors

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Southwest Airlines dominates five key U.S. airports amidst legacy competitors
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Andrew Watterson Southwest Airlines Chief Operating Officer | Southwest Airlines Website

Southwest Airlines has established a dominant presence in several U.S. airports, distinguishing itself from the traditional legacy carriers like United Airlines, American Airlines, and Delta Air Lines. While these three airlines dominate air travel in most U.S. cities, Southwest has carved out significant market shares in select locations.

At Pittsburgh International Airport (PIT), Southwest holds the strongest position since legacy airlines' departure. The airline capitalized on the void left by US Airways after its collapse and removal of its hub at Pittsburgh in 2004. "The carrier has maintained the strongest position in this market since the departure of legacy airlines," with a current market share of 26.11%, surpassing its nearest competitor.

Dallas Love Field (DAL) serves as a major operating base for Southwest, which commands over 96% of flights there. The repeal of the Wright Amendment allowed Southwest to expand its operations significantly at DAL. "Southwest's presence at this airport demonstrates an interesting phenomenon," showing how legislative changes can impact airline dominance.

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In New Orleans at Louis Armstrong New Orleans International Airport (MSY), Southwest leads with a market share of 35.15%. It operates seven out of ten busiest routes from MSY, more than doubling Delta Air Lines' share, showcasing how it serves short-term leisure travelers efficiently.

Las Vegas's Harry Reid International Airport (LAS) sees Southwest as a key player with a 40.54% market share, more than twice that of Spirit Airlines, its closest competitor. Despite intense competition from other low-cost carriers like Frontier and Allegiant Air, "the carrier's market share in Las Vegas is more than twice the size of its closest competitor."

Ontario International Airport (ONT) is another strategic location where Southwest leads with nearly 40% market share while still competing at Los Angeles International Airport (LAX). This Southern California airport offers advantages such as shorter security lines and better operational flexibility.

These examples highlight how Southwest Airlines strategically expands its presence by leveraging unique operational models and opportunities created by shifts in the aviation landscape.

Organizations Included in this History
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