Best Time to Fly ROC to DTW: On-Time Stats by Hour & Airline
Frederick Douglass Grtr Rochester International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
482 flights were scheduled from Rochester (ROC) to Detroit (DTW) in the last 12 months, and 78.7% of those that flew arrived on time, 1.1 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 85.8%, while SkyWest Airlines trailed at 76.5%.
October has been the best month (92% on time) and Sunday the weakest day of the week (74%).
2.5% of flights were cancelled, versus 1.8% nationally.
ROC to DTW 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 |
|---|---|---|---|---|
| Delta Air Lines | 85.8% | 115 min | 3.4% | 117 |
| SkyWest Airlines | 76.5% | 112 min | 2.2% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ROC to DTW
On-time arrival % by scheduled departure hour (local time), 1,251 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.1% | 1.9% | 308 |
| 9am–10am | 86.5% | 0.0% | 74 |
| 10am–11am | 86.0% | 1.3% | 152 |
| 12pm–1pm | 76.2% | 1.3% | 298 |
| 1pm–2pm | 77.5% | 0.5% | 197 |
| 5pm–6pm | 78.2% | 0.9% | 222 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ROC to DTW
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) | 80.0% | -1.2 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.7% | -9.5 pts | 2.1% | 47 |
| Summer peak (Jun 15 - Aug 15) | 85.7% | +4.5 pts | 1.9% | 256 |
| All other days | 81.2% | — | 1.0% | 913 |
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).