ATY Watertown Regional Airport

The IATA airport code for Watertown Regional Airport is ATY.

The ICAO code for Watertown Regional Airport is KATY.

Watertown Regional Airport (ATY) is located in Watertown, United States.

The local time zone at Watertown Regional Airport (ATY) is America/Chicago (GMT-5).

About 2 scheduled departures were counted at Watertown Regional Airport (ATY) when flight schedules were last measured on September 4, 2026.

For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.

The board on this page shows arrivals and departures for Watertown Regional Airport (ATY). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.