Delta Unveils Its Biggest-Ever LAX Expansion With 2 New Routes and More Flights

Updated: September 18, 2026, 8:00am CDT

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Delta Goes Big at LAX With New Routes and More Flights
Final Thoughts

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Delta Air Lines is planning a major expansion from Los Angeles (LAX), with 2 brand-new routes and more flights to several existing destinations rolling out over the coming months.

By the peak of summer 2027, Delta and its partners will operate more than 200 daily departures from LAX, which will be the airline’s largest schedule ever at the airport.

Let’s look at what’s coming.

Delta Goes Big at LAX With New Routes and More Flights

Delta is adding 2 new routes from Los Angeles, with nonstop flights to Monterey (MRY) and Philadelphia (PHL).

Twice-daily flights to Monterey will begin December 19, 2026, using an Embraer 175. The route will make it easier to visit Carmel-by-the-Sea, the Monterey Peninsula, and the ever-popular Big Sur. Delta will also begin daily service between Salt Lake City (SLC) and Monterey on the same day.

Philadelphia is the other new addition, with daily flights from Los Angeles launching June 7, 2027, aboard an Airbus A321neo.

Delta’s new LAX route makes it easier to visit Big Sur, as well as Monterey, Carmel-by-the-Sea, and Pebble Beach. Image Credit: Spencer Davis via Unsplash

Here’s a look at all the new and expanded service:

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Route	Frequency	Start Date
Los Angeles (LAX) to Monterey (MRY)	New 2x daily service	December 19, 2026
Salt Lake City (SLC) to Monterey (MRY)	New 1x daily service	December 19, 2026
Los Angeles (LAX) to Philadelphia (PHL)	New 1x daily service	June 7, 2027
Los Angeles (LAX) to Raleigh-Durham (RDU)	Increased to 2x daily	April 12, 2027
Los Angeles (LAX) to Boston (BOS)	Increased to 5x daily	May 6, 2027
Los Angeles (LAX) to San Diego (SAN)	Increased to 5x daily	June 7, 2027
Los Angeles (LAX) to Cincinnati (CVG)	Increased to 2x daily	July 11, 2027
Los Angeles (LAX) to Houston (IAH)	Increased to 3x daily	July 11, 2027
Los Angeles (LAX) to San Antonio (SAT)	Increased to 3x daily	July 11, 2027
Los Angeles (LAX) to Seattle (SEA)	Increased to 8x daily	July 11, 2027

Boston, San Diego, and Seattle will see some of the biggest increases, with Boston and San Diego getting 5 daily flights and Seattle getting 8.

Delta also says it will announce another new route from Salt Lake City, but it has not yet revealed the destination or launch date.

Tickets for the announced flights can be booked through the Delta website or the Delta mobile app.

Hot Tip:

Learn how to earn and redeem Delta SkyMiles on flights with Delta!

Final Thoughts

Delta is going big in Los Angeles next summer, adding new routes to Monterey and Philadelphia while increasing flights to several other cities.

The additional frequencies should give travelers more options and flexibility, particularly on busy routes to Boston, Seattle, San Diego, and Texas. Now we’ll have to wait and see where Delta’s next new route from Salt Lake City will go.