Southwest Airlines Adds More Routes, Departures, First International Red-Eye

Image: Southwest Airlines plane at Las Vegas' Harry Reid International Airport. (Photo Credit: Faina Gurevich/Adobe)
Image: Southwest Airlines plane at Las Vegas' Harry Reid International Airport. (Photo Credit: Faina Gurevich/Adobe)
Noreen Kompanik
by Noreen Kompanik
Last updated: 11:30 AM ET, Fri February 13, 2026

Southwest Airlines has debuted more flights than ever before at its hubs in Austin, Las Vegas, Nashville and San Diego. And for the first time, the carrier will offer the first international red-eye flight.

With its newest Flight Crew base set to open in Spring 2026, Southwest will operate 135 trips at Austin on peak days through October, featuring year-round service between Austin and Memphis, along with Saturday seasonal service connecting Austin with Santa Rosa (Sonoma County), California, and Knoxville, Tennessee.

In Las Vegas, Southwest is slated to offer 282 departures on Sundays including the airline industry’s lone nonstop flight between Las Vegas and San Jose, Costa Rica. The route is scheduled for daily service and represents Southwest’s first international redeye flight.

The carrier’s commitment at Nashville International Airport continues with substantial year-over-year growth for Sunday (215 flights) and midweek (210 flights on Monday, Thursday, Friday) departures. Southwest will also offer year-round service between Music City and Reno, Nevada, along with an additional roundtrip between Nashville and Burbank, California.

From San Diego International Airport’s new Terminal 1, Southwest will depart up to 140 trips, including an increase in international service. Beginning Oct. 1, service between San Diego and Los Cabos, Mexico, is scheduled to expand from once daily to twice daily based on seasonal demand.

Southwest is continuing to grow at Orlando International Airport in October with seasonal increases and year-over-year trip-count expansions. The carrier will offer up to 181 departures on its busiest days out of this hub.

Aligned with seasonal demand, Southwest is adding weekday departures between Orlando and Albuquerque to complement existing weekend service. Additional seasonal additions and increases at Orlando include routes connecting the city with Cleveland, Ohio, El Paso, Texas, Memphis, Tennessee, and Louisville, Kentucky.


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