United Airlines is adding four new routes this fall and winter, including two from Washington Dulles, one from Newark, and one from Houston, including a new destination in Mexico and a new transcontinental flight to Southern California.
United Airlines Adds New Routes To Southern California, St. Croix, Los Cabos, And Chiapas
Enilria noted that United Airlines is adding four new routes for the fall and winter season, with new service from Washington Dulles (IAD), Newark (EWR), and Houston (IAH).
The new routes are now on sale and include a mix of year-round and seasonal service:
| Route | Service | Start Date | Frequency |
|---|---|---|---|
| Washington Dulles (IAD) – Orange County/Santa Ana (SNA) | Year-round | August 11, 2026 | Daily |
| Washington Dulles (IAD) – Los Cabos (SJD) | Year-round | October 25, 2026 | 4x weekly: Monday, Thursday, Saturday, Sunday |
| Newark (EWR) – St. Croix (STX) | Seasonal | October 31, 2026 – March 27, 2027 | Saturday-only |
| Houston (IAH) – Tuxtla Gutiérrez, Chiapas (TGZ) | Year-round | October 28, 2026 | 3x weekly: Wednesday, Friday, Sunday |
The Dulles additions are almost a slap in the face of American Airlines, which just abonded its planned resumption of flights between Los Angeles and Dulles due to high oil prices. United continues to build up IAD, and Orange County gives Washington-area travelers another Southern California option beyond LAX. Anyone who has dealt with Los Angeles traffic can appreciate the appeal of flying directly into John Wayne Airport if Orange County is the destination. United last served IAD-SNA nonstop in 1994.
Los Cabos is an interesting add at Dulles, returning for the first time since 2018. It is a premium leisure market, and United has been very willing to add warm-weather leisure routes where the yields support it, though I’d think East Coast travelers heading to Mexico might prefer Cancun or Puerto Vallarta.

Chiapas, A New Destination In Mexico
The most intriguing route is Houston – Tuxtla Gutiérrez.
When it launches, United will offer the only nonstop service between the United States and Chiapas, a region in southern Mexico known for Sumidero Canyon, San Cristóbal de las Casas, waterfalls, lakes, ruins, and excellent food (though I’ll admit, I had never heard of it before now…). The state of Chiapas borders Guatemala.
This is exactly the sort of route that makes United’s Houston hub so useful. IAH can support deeper Mexico service in a way many U.S. hubs cannot, thanks to geography and local demand. With this addition, United will serve 25 destination in Mexico.
Newark Gets St. Croix
After a 32-year hiatus, United will also add seasonal Newark – Christiansted, St. Croix service, operating Saturdays from October 31, 2026 through March 27, 2027. That is not a huge route, but it is a logical winter leisure add from the New York area. St. Croix, part of the U.S. Virgin Islands, is not served by any other United hubs, but it served year-round by American Airlines from Miami (seasonally from other hubs) and also seasonally from Delta via its Atlanta hub.
CONCLUSION
United is adding four new routes: Washington Dulles to Orange County and Los Cabos, Newark to St. Croix, and Houston to Tuxtla Gutiérrez.
The Orange County and Los Cabos additions strengthen Dulles while St. Croix gives Newark another winter leisure route. But Houston – Chiapas is the most interesting of the bunch because it opens the only nonstop link between the United States and Chiapas.



The Tren Maya goes to Chiapas, but not all the way to Tuxtla. TGZ must be the only Mexico city that UA serves and AA doesn’t. That’s a cool add! I’m still waiting for a US carrier to fly to VSA so I can go spend a week at the Hyatt Regency there.
For aviation enthusiasts → The UA jetliner in the article’s photo is a B737-700 (age: 27.4 years). It is currently parked at ORD.
Chiapas is big time cartel country
Kudos to UA, which is indeed expanding its network with these four new routes, introducing unique non-stop connections and returning to long-awaited leisure spots. The giant airline’s impressive fleets of B737s and ERJ-175s will certainly appreciate the aforementioned flight paths.
I am beyond excited for the SNA from IAD option. If anything for one simple thing…rental cars you can walk to. LAX is a nightmare with its antiquated system of scattered rental cars and too infrequent shuttles.