China Airlines and Southwest Airlines have signed an interline agreement.
Travelers will be able to book China Airlines’ Taipei/Taoyuan–Los Angeles, Ontario (California), San Francisco, Seattle, and Phoenix routes together with Southwest Airlines’ connecting services to more than 100 cities across the United States in one booking. Itineraries on or after January 19, 2026 are eligible.
Further developments such as reciprocal mileage accrual and codesharing are anticipated.
