Heading into the second half of 2025, U.S. airlines have announced new and returning flights, further connecting North American travelers to both domestic and international destinations. Here’s what’s in store for the remainder of 2025:

Delta Air Lines
Originally planning to fly multiple flights per week from New York (JFK) to both Memphis (MEM) and St. Louis (STL) this winter, Delta Air Lines is paring back these routes and replacing them with daily flights from New York City to Sarasota, Florida (SRQ). This replacement flight is slated to launch Dec. 20 and run through May 6, 2026. Delta will also add routes including: Atlanta (ATL) to Fargo (FAR), Austin (AUS) to Los Cabos (SJD), and Minneapolis (MSP) to Vail (EGE). Starting this December, Delta introduces non-stop flights from Salt Lake City (SLC) and Lima, Peru (LIM).

American Airlines
American Airlines will increase its capacity across its long-haul network starting this fall.  On Nov. 20, the airline resumes service between Dallas (DFW) and Kona (KOA). On Dec. 3, American Airlines will increase from seven to 10 weekly flights between Dallas and Sao Paulo, Brazil (GRU), while Dec. 18 marks an additional fourth daily flight for the airline from Miami (MIA) to Buenos Aires, Argentina (EZE). Originally scheduled to end this October, the airline will extend its Dallas to Dublin, Ireland (DUB), seasonal service through early January 2026.

Allegiant Air
This fall, Allegiant Air offers a plethora of new flight options. Launching this November, the airline begins three new non-stop services to Fort Myers, Florida (RSW). On Nov. 13, travelers can fly between Lehigh Valley International Airport in Allentown, Pennsylvania, and Fort Myers. On Nov. 21, the airline will then begin non-stop service between Fort Myers and both Appleton International Airport in Wisconsin and Des Moines International Airport in Iowa.

Breeze Airways
Breeze Airways recently announced plans to launch service to two new cities: Lincoln, Nebraska (LNK), and Tri-Cities, Tennessee (TRI), as well as more connections to its existing network through seven other new routes this winter. Starting Dec. 17, travelers can book non-stop flights between Albany, New York (ALB), and Fort Myers, Florida (RSW). On Dec. 10, Breeze Airways launches non-stop flights between Lincoln and Orlando, Florida (MCO). The airline also begins service from Albany to Rochester, New York (ROC), starting Jan. 8, 2026. Next February, other new routes include Manchester, New Hampshire (MHT); Myrtle Beach, South Carolina (MYR); Portsmouth, New Hampshire (PSM); and Raleigh-Durham, North Carolina (RDU).

Frontier Airlines
This fall, low-fare carrier Frontier Airlines debuts in Corpus Christi, Texas (CRP), and Richmond, Virginia (RIC). The airline also returns to Tulsa, Oklahoma (TUL). Twice weekly flights from Atlanta (ATL) to Omaha (OMA) and Richmond begin this October. The airline will also begin twice weekly service from Charleston (CHS) to Dallas (DFW) Oct. 9. Twice-weekly service from Corpus Christi to Denver (DEN) starts Oct. 9. Tulsa returns to Frontier’s network Oct. 12 with twice-weekly flights from Denver. See here for the full list of new services debuting this fall.

Which route are you most excited about? What route do you wish to see airlines fly? Email us at letters@globaltravelerusa.com. Please include your full name and location.