Denver (DEN) to Watertown (ATY): On-Time Performance
Data through July 2026
Denver (DEN) to Watertown (ATY) is a thinner route than most in this dataset — 363 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 85% arrived on time, comfortably above the national average of 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.99
- last 12 months
- Duration
- 1h 48m
- scheduled
- Distance
- 519 mi
Monthly on-time trend
Best time to fly from DEN to ATY
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 90% | 7 min |
| Tuesdaybest | 90% | 5 min |
| Wednesday | 87% | 15 min |
| Thursday | 82% | 18 min |
| Friday | 75% | 22 min |
| Saturday | 85% | 9 min |
| Sunday | 85% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations49%
- National airspace system14%
- Weather10%
- Security1%
Frequently asked questions
- How often are flights from DEN to ATY delayed?
- 15% of DEN–ATY flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- How long is the flight from DEN to ATY?
- The scheduled DEN–ATY flight time averages 1h 48m over 519 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are DEN to ATY flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to ATY?
- August 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was November 2025 at 97%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 363 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.