LONDON — Clients flying to and through Gatwick in late January should be aware that three major airlines at the airport are switching terminals.

Gatwick has two terminals: North and South. Most airlines operate from one or the other. As part of an ongoing transformation program to improve the airport experience for passengers, three airlines will soon be moving: British Airways, Virgin, and some easyJet flights.

From Jan. 24, 2017 all easyJet flights will depart from the North Terminal. From Jan. 25, 2017 all British Airways flights will depart from the South Terminal. All Virgin flights will depart from the North Terminal.

Two British Airways flights are moving before Jan. 25.

From Jan. 11, 2017, BA2273 to New York will depart from South Terminal. From Jan. 19, 2017, BA2612 to Naples will also depart from South Terminal.

The airport has a few tips for clients travelling to and through Gatwick at this time:

• Checking your departure terminal: Clients who have booked a flight after Jan. 24, 2017 might be departing from a different terminal than they’re used to. “Your airline should have told you which terminal to go to, and we’ll have extra staff and signage as a reminder. Remember to check before heading to your usual terminal – turn off the autopilot!”
• Checking the arrival terminal: If clients fly out before Jan. 24/25, 2017 but return after, affected airlines will return to a different terminal.
• Travel between the two terminals is available with Gatwick’s free shuttle service.

See gatwickairport.com for more details.