Route Reliability
Rochester → Washington
ROC–IAD · 287 miles · Frederick Douglass Greater Rochester International Airport to Washington Dulles International Airport
- 82%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 3.0%
- Cancelled
- 1,255
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 1,255 flights. No comparison to make.
What the data says
Morning-you made the right choice.
ROC–IAD flights departing between 6–9 AM arrived on time 87% of the time, versus 74% between 12–3 PM.
Sunday scaries are real for this one.
ROC–IAD flights arrived on time 86% of the time on Tuesdays. On Sundays: 78%.
Keep a backup plan handy.
This route was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
ROC–IAD flights arrived on time 90% of the time over the last three months in the data, compared with 75% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon81%(176 flights)
- Tue86%(174 flights)
- Wed83%(174 flights)
- Thu79%(189 flights)
- Fri83%(188 flights)
- Sat82%(143 flights)
- Sun78%(170 flights)
- 6–9 AM87%(298 flights)
- 9 AM–12 PM84%(335 flights)
- 12–3 PM74%(254 flights)
- 3–6 PM86%(73 flights)
- 6–9 PM78%(254 flights)
Jun 69% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 102 |
| July 2025 | 75% | 103 |
| August 2025 | 90% | 117 |
| September 2025 | 90% | 105 |
| October 2025 | 85% | 93 |
| November 2025 | 72% | 104 |
| December 2025 | 66% | 99 |
| January 2026 | 71% | 80 |
| February 2026 | 89% | 73 |
| March 2026 | 85% | 110 |
| April 2026 | 95% | 112 |
| May 2026 | 91% | 116 |
Same trip, other airports
Keep nerding
Based on 1,255 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.