Watertown (ATY) to Denver (DEN): On-Time Performance
Data through July 2026
Watertown (ATY) to Denver (DEN) 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, 74% arrived on time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 31 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.99
- last 12 months
- Duration
- 2h 3m
- scheduled
- Distance
- 519 mi
Monthly on-time trend
Best time to fly from ATY to DEN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 83% | 27 min |
| Tuesday | 81% | 26 min |
| Wednesday | 67% | 69 min |
| Thursday | 66% | 24 min |
| Friday | 69% | 26 min |
| Saturday | 75% | 31 min |
| Sunday | 79% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft17%
- Airline operations51%
- National airspace system21%
- Weather11%
Frequently asked questions
- How often are flights from ATY to DEN delayed?
- 26% of ATY–DEN 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 31 minutes.
- How long is the flight from ATY to DEN?
- The scheduled ATY–DEN flight time averages 2h 3m over 519 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are ATY to DEN 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 ATY to DEN?
- August 2025 was the roughest month in this dataset, with only 48% of arrivals on time. The best was November 2025 at 87%. If your dates are flexible, that 38-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.