On 10 October 2025, Southwest Airlines announced that its summer 2026 schedule is now available for purchase, with inventory open through 3 August 2026. The release, issued by PR Newswire, confirms that the schedule is live “today” and includes a comprehensive set of route and frequency changes across the network.
Key domestic changes include year‑over‑year frequency increases on eight Las Vegas routes, and new or expanded service from Orlando to Austin, Nashville, Baltimore, Indianapolis, Las Vegas, Kansas City, Milwaukee, New Orleans, Pittsburgh, Louisville and San Juan. In San Diego, the carrier will add a new Boston route on 4 June 2026 and increase peak‑day departures on the San Diego‑San Francisco corridor to eight flights. Austin will see a daily Cincinnati service and a return of seasonal Seattle flights, while Anchorage will launch daily flights to Denver and Las Vegas on 15 May 2026, marking the airline’s first service to the state’s capital.
The schedule also introduces new international service from Las Vegas to Cancun (starting 4 June 2026) and to Los Cabos and Puerto Vallarta, expanding Southwest’s footprint into the Mexican tourism market. In addition to route changes, the announcement highlights cabin enhancements: assigned and premium seating options, free Wi‑Fi for Rapid Rewards members via T‑Mobile, and in‑seat power on all 737‑8 aircraft, with plans to extend power across the fleet.
These developments represent a significant operational milestone for Southwest, expanding its network, increasing frequency on high‑traffic routes, and adding new international destinations that can drive incremental revenue and market share growth. The immediate availability of the schedule for purchase today underscores the company’s commitment to capitalizing on the upcoming summer travel season.
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