Watertown Regional Airport (ATY)
Watertown Regional Airport (ATY) currently has nonstop service to 3 destinations on 3 airlines in our latest departure data. The busiest route is to Denver (DEN), and the largest operator here is Delta Air Lines.
Route data as of June 15, 2026, based on a 7-day departures sample.
How ATY is connected
0 international routes in this schedule set
United States 3
1/day
Bombardier CRJ · Beech 1900 · Beechcraft 1900D
ATY route guides with flight times
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
3 airlines fly direct from ATY
Ranked by destinations served, then daily frequency.
Direct flights to 3 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
- Search →
DEN · Denver1 airline · 1/day · Bombardier CRJ
View ATY–DEN route guide →- United Airlines · Bombardier CRJ1/day
Quick answers
Where is Watertown Regional Airport?
Watertown Regional Airport (ATY / KATY) is located in Watertown, United States.
What is the IATA code for Watertown Regional Airport?
The IATA code is ATY. The ICAO code is KATY.
What is the busiest route from ATY?
The busiest scheduled route from ATY in our current departure data is ATY to DEN (Denver), with 1/day.
Who is the largest operator at ATY?
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