Frederick Douglass Grtr Rochester International (ROC) Delays and On-Time Departures
Rochester, NY · ranked 256th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Rochester (ROC) had 10,281 scheduled departures and 77.4% of them left on time (US average 77.4%).
That ranks 256th of 333 US airports tracked on this site, with 2.7% of departures cancelled.
Republic Airways was the most punctual airline here, with 84.1% of departures on time.
September has been the best month (88% on time) and Sunday the weakest day of the week (75%).
Best time of day to fly out of Rochester (ROC)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.0% | 3.1% | 1,396 |
| 6am–7am | 90.2% | 1.9% | 4,977 |
| 7am–8am | 92.2% | 1.1% | 896 |
| 8am–9am | 94.4% | 1.1% | 269 |
| 9am–10am | 83.3% | 0.5% | 205 |
| 10am–11am | 87.2% | 1.2% | 561 |
| 11am–12pm | 79.5% | 1.5% | 1,774 |
| 12pm–1pm | 74.3% | 1.7% | 2,751 |
| 1pm–2pm | 77.7% | 1.3% | 1,259 |
| 2pm–3pm | 70.9% | 4.1% | 785 |
| 3pm–4pm | 67.3% | 1.7% | 541 |
| 4pm–5pm | 62.7% | 2.0% | 844 |
| 5pm–6pm | 67.3% | 2.8% | 2,496 |
| 6pm–7pm | 67.7% | 2.7% | 1,783 |
| 7pm–8pm | 63.4% | 2.5% | 477 |
| 8pm–9pm | 65.0% | 10.2% | 216 |
| 9pm–10pm | Limited data | 16 | |
Airlines at ROC ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Republic Airways | 84.1% | 82.0% | 3.8% | 1,906 |
| Envoy Air | 82.9% | 80.6% | 2.0% | 954 |
| JetBlue | 82.5% | 82.3% | 4.3% | 698 |
| United Airlines | 79.2% | 68.3% | 1.4% | 625 |
| American Airlines | 78.7% | 80.2% | 2.0% | 818 |
| Delta Air Lines | 76.6% | 80.6% | 2.5% | 1,158 |
| PSA Airlines | 72.7% | 67.6% | 5.0% | 974 |
| Southwest Airlines | 72.4% | 77.2% | 1.1% | 2,105 |
| SkyWest Airlines | 72.3% | 71.3% | 3.1% | 752 |
| Spirit Airlines | 71.8% | 74.2% | 2.6% | 153 |
| Allegiant Air | 52.9% | 46.3% | 1.4% | 138 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of ROC
On-time departures by day, 24 months.
Best month to fly out of ROC
On-time departures by month, 24 months.
Holiday travel at Rochester (ROC)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.6% | -4.9 pts | 1.5% | 408 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.0% | -15.5 pts | 2.9% | 783 |
| Summer peak (Jun 15 - Aug 15) | 73.3% | -7.2 pts | 4.2% | 3,787 |
| All other days | 80.5% | — | 1.7% | 16,268 |
Monthly on-time departure trend at ROC
On-time departure % each month, with the 12-month US average for reference.
Routes from Rochester (ROC)
Every route from ROC with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| ROC → Chicago (ORD) | 75.5% | 2.4% | 2,355 |
| ROC → Baltimore (BWI) | 82.6% | 1.2% | 1,105 |
| ROC → Atlanta (ATL) | 80.0% | 2.4% | 1,041 |
| ROC → Washington (DCA) | 67.3% | 5.6% | 1,033 |
| ROC → Charlotte (CLT) | 81.2% | 1.6% | 994 |
| ROC → New York (JFK) | 83.7% | 4.8% | 606 |
| ROC → Newark (EWR) | 81.5% | 5.5% | 600 |
| ROC → Orlando (MCO) | 64.0% | 1.2% | 504 |
| ROC → Chicago (MDW) | 78.0% | 1.6% | 496 |
| ROC → Detroit (DTW) | 78.7% | 2.5% | 482 |
| ROC → Boston (BOS) | 83.7% | 2.9% | 384 |
| ROC → Washington (IAD) | 82.9% | 1.9% | 155 |