When Does Sun Country Release 2025 Flights. Sun country, like many airlines, doesn't announce its flight schedules for a full year in advance. Through summer 2025, sun country airlines will operate 116 routes serving 102 airports across the united states, mexico, central america, canada, and the caribbean,.

Airline executives said tuesday the sun. This strategic extension allows travelers to secure their plans for december holidays, winter escapes, and spring break adventures well in.