Route Reliability
Atlanta → Rochester
ATL–ROC · 749 miles · Hartsfield–Jackson Atlanta International Airport to Frederick Douglass Greater Rochester International Airport
- 76%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.6%
- Cancelled
- 1,043
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 76% of the time across 1,043 flights. No comparison to make.
What the data says
Morning flights do better here.
ATL–ROC flights departing between 9 AM–12 PM arrived on time 82% of the time, versus 73% between 9 PM–12 AM.
Sunday scaries are real for this one.
ATL–ROC flights arrived on time 85% of the time on Wednesdays and just 69% on Sundays. That gap is worth planning around.
Trending in the right direction.
ATL–ROC flights arrived on time 86% of the time over the last three months in the data, compared with 70% 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
- Mon69%(152 flights)
- Tue77%(150 flights)
- Wed85%(150 flights)
- Thu81%(150 flights)
- Fri76%(143 flights)
- Sat79%(120 flights)
- Sun69%(148 flights)
- 9 AM–12 PM82%(354 flights)
- 3–6 PM74%(311 flights)
- 6–9 PM—(8 flights)
- 9 PM–12 AM73%(340 flights)
Jun 64% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 86 |
| July 2025 | 67% | 86 |
| August 2025 | 74% | 89 |
| September 2025 | 83% | 82 |
| October 2025 | 83% | 87 |
| November 2025 | 75% | 81 |
| December 2025 | 55% | 84 |
| January 2026 | 71% | 75 |
| February 2026 | 84% | 77 |
| March 2026 | 86% | 87 |
| April 2026 | 85% | 88 |
| May 2026 | 87% | 91 |
Keep nerding
Based on 1,043 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.