Rochester (ROC) to Washington (IAD): On-Time Performance
Data through July 2026
Rochester (ROC) to Washington (IAD) is a thinner route than most in this dataset — 155 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 0.42
- last 12 months
- Duration
- 1h 25m
- scheduled
- Distance
- 287 mi
Monthly on-time trend
Best time to fly from ROC to IAD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 90% | 13 min |
| Tuesday | 86% | 7 min |
| Wednesday | 73% | 23 min |
| Thursday | 71% | 17 min |
| Fridaybest | 92% | 13 min |
| Saturday | 84% | 18 min |
| Sunday | 81% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations54%
- National airspace system22%
- Weather1%
Frequently asked questions
- How often are flights from ROC to IAD delayed?
- 18% of ROC–IAD 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 15 minutes.
- How long is the flight from ROC to IAD?
- The scheduled ROC–IAD flight time averages 1h 25m over 287 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ROC to IAD flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What day of the week is most reliable for ROC to IAD?
- Friday flights have the best record at 92% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 71%.
Explore related pages
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Based on 306 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.