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Watertown Regional Airport (ATY/KATY) is a public airport located about three miles northwest of downtown Watertown, South Dakota. It began as a World War II-era military airfield and today serves northeastern South Dakota with general aviation and Essential Air Service commercial flights. The compact terminal offers a low-stress alternative to larger hubs in the region.
💡 Local Tip
Frequent visitors time their arrival to about 60-90 minutes before departure because the TSA checkpoint opens only shortly before flights; arriving much earlier means waiting in the small lobby.
🚖 Getting There
The airport is only a few miles from downtown Watertown, so driving, taxi, or rideshare are the most practical options; there is no regular public bus service to the terminal. If you need a rental car, reserve it in advance because on-site availability is limited. For early-morning departures, confirm taxi or rideshare availability the night before, as services can be sparse.
❓ Frequently Asked Questions
Q: What airlines serve Watertown Regional Airport?
A: Commercial service is provided under the Essential Air Service program, and the operating carrier can change; check current schedules for the latest airline and destination.
Q: Where can I fly from ATY?
A: EAS flights typically connect Watertown to a major hub such as Denver (DEN), but routes and carriers vary, so confirm with the airline before booking.
Q: Is parking available at the airport?
A: Yes, there is on-site parking near the terminal, with short-term and long-term options; fees may apply, so check signage or the airport website.
Q: How early should I arrive for a flight?
A: For commercial flights, plan to arrive at least 60-90 minutes before departure to allow time for check-in and TSA screening, especially during peak departure times.
AI-generated content · Generated Sep 29, 2026 · deepseek-v4.1-flash