Watertown Regional Airport is served by 1 airline, flying from/to 2 destinationsLongest flight from Watertown Regional Airport is Watertown to 🇺🇸 Chicago (ORD), which takes around 1 hour and 40 minutes. On an airline like Aerogaviota. More info on this flight route (ATY-ORD).Shortest flight from Watertown Regional Airport is Watertown to 🇺🇸 Chicago (ORD), which takes around 1 hour and 40 minutes. On an airline like Aerogaviota. More info on this flight route (ATY-ORD).