Watertown (ATY) to Denver (DEN): On-Time Performance
Data through May 2026
Watertown (ATY) to Denver (DEN) is a thinner route than most in this dataset — 302 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.83
- last 12 months
- Duration
- 2h 1m
- 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 | 88% | 27 min |
| Tuesday | 81% | 28 min |
| Wednesday | 74% | 39 min |
| Thursday | 66% | 27 min |
| Friday | 67% | 26 min |
| Saturday | 73% | 33 min |
| Sunday | 77% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations47%
- National airspace system19%
- Weather13%
Frequently asked questions
- How often are flights from ATY to DEN delayed?
- 25% of ATY–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 28 minutes.
- How long is the flight from ATY to DEN?
- The scheduled ATY–DEN flight time averages 2h 1m over 519 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are ATY to DEN flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for ATY to DEN?
- Monday flights have the best record at 88% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 66%.
Explore related pages
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Based on 302 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.