Best Time to Fly DCA to ROC: On-Time Stats by Hour & Airline
Ronald Reagan Washington National → Frederick Douglass Grtr Rochester International
Data through July 2026 · Last updated October 18, 2026
1,032 flights were scheduled from Washington (DCA) to Rochester (ROC) in the last 12 months, and 68.7% of those that flew arrived on time, 8.9 points below the US average of 77.6%.
Envoy Air was the most punctual of the 3 airlines on the route at 87.5%, while PSA Airlines trailed at 65.5%.
September has been the best month (83% on time) and Monday the weakest day of the week (64%).
5.4% of flights were cancelled, versus 1.8% nationally.
DCA to ROC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 87.5% | 31 min | 0.0% | 80 |
| Republic Airways | 75.0% | 87 min | 6.0% | 149 |
| PSA Airlines | 65.5% | 75 min | 5.8% | 803 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DCA to ROC
On-time arrival % by scheduled departure hour (local time), 2,226 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 9am–10am | 76.7% | 2.4% | 291 |
| 10am–11am | 81.8% | 3.2% | 432 |
| 11am–12pm | 70.7% | 1.7% | 59 |
| 12pm–1pm | 78.6% | 1.2% | 85 |
| 1pm–2pm | Limited data | 1 | |
| 2pm–3pm | 60.0% | 3.9% | 104 |
| 3pm–4pm | 64.6% | 4.5% | 606 |
| 4pm–5pm | Limited data | 6 | |
| 5pm–6pm | Limited data | 3 | |
| 7pm–8pm | Limited data | 5 | |
| 8pm–9pm | Limited data | 28 | |
| 10pm–11pm | 65.0% | 10.7% | 605 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DCA to ROC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.1% | +5.4 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.9% | +2.2 pts | 1.4% | 70 |
| Summer peak (Jun 15 - Aug 15) | 63.5% | -8.2 pts | 10.3% | 359 |
| All other days | 71.7% | — | 4.6% | 1,762 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).