Best Time to Fly ATL to ROA: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Roanoke Blacksburg Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.7% of Atlanta (ATL) to Roanoke (ROA) flights arrived on time (432 scheduled flights). That is 1.0 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 82.2%, while SkyWest Airlines trailed at 59.7%.
October has been the best month (96% on time) and Friday the weakest day of the week (77%).
1.9% of flights were cancelled, versus 1.8% nationally.
ATL to ROA 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 | 82.2% | 79 min | 2.2% | 365 |
| SkyWest Airlines | 59.7% | 79 min | 0.0% | 67 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to ROA
On-time arrival % by scheduled departure hour (local time), 1,112 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 9 | |
| 9am–10am | 89.8% | 0.8% | 122 |
| 10am–11am | Limited data | 2 | |
| 11am–12pm | 90.9% | 0.0% | 45 |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 58.6% | 0.0% | 58 |
| 3pm–4pm | Limited data | 8 | |
| 4pm–5pm | Limited data | 8 | |
| 5pm–6pm | 87.0% | 3.3% | 120 |
| 6pm–7pm | Limited data | 3 | |
| 7pm–8pm | Limited data | 11 | |
| 8pm–9pm | Limited data | 20 | |
| 9pm–10pm | Limited data | 6 | |
| 10pm–11pm | 82.0% | 1.4% | 499 |
| 11pm–12am | 73.5% | 2.6% | 191 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to ROA
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) | 80.7% | -3.3 pts | 0.0% | 31 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.0% | -16.0 pts | 2.0% | 51 |
| Summer peak (Jun 15 - Aug 15) | 71.8% | -12.2 pts | 3.2% | 154 |
| All other days | 84.0% | — | 1.3% | 876 |
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).