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Watertown Regional Airport
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Denver International Airport
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Scan through all non-stop flights from Watertown to Denver. The full flight schedule below gives an overview of all non-stop flights from ATY to DEN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Denver are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Denver is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
Currently, there is only one airline operating non-stop flights from Watertown ATY to Denver DEN, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their ATY DEN flight schedule.
Flights from ATY to DEN are operated once a week. Departure times vary between 18:21 - 18:40. The earliest flight departs at 18:21, the last flight departs at 18:40. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Watertown to Denver takes 1 hour and 55 minutes. The flight distance between Watertown and Denver is 518 miles (or 834 km).
There are 2 airports in Denver: Denver International Airport (DEN) and Centennial Airport (APA).
There is 1 flight per week flying from Watertown to Denver (as of March 2026).
1 hour and 55 minutes is the average flight time from Watertown to Denver.
The distance from Watertown to Denver is 518 miles (834 kilometers).
United Airlines is the only airline flying nonstop from Watertown to Denver.
Star Alliance is currently the only alliance flying nonstop from Watertown to Denver.
You can fly non-stop in Economy only.
Aircraft types that fly from Watertown to Denver:
The earliest flight departs at 18:21 from Watertown and arrives at 19:20 at Denver.
The latest flight departs at 18:40 from Watertown and arrives at 19:38 at Denver.
518 miles (834 km) · 1h 55m
18:26
19:25
United Airlines
Star Alliance
UA 5019
United Airlines
Canadair CRJ
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