Roanoke (ROA) to Atlanta (ATL): On-Time Performance
Data through July 2026
The calendar drives reliability on ROA–ATL. June 2025 flights landed on schedule 100% of the time, but December 2025 dropped to 70% — a gap of 30 points. Across the full period the route averages 86% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 78%), which matters most in the rough months.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 1.2
- last 12 months
- Duration
- 1h 34m
- scheduled
- Distance
- 357 mi
Best airline from ROA to ATL
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 89% | 13 min | 1.9% | 833 |
| Endeavor Air | 84% | 18 min | 2.3% | 298 |
| SkyWest Airlines | 69% | 30 min | 0.0% | 72 |
Monthly on-time trend
Best time to fly from ROA to ATL
Aim for departures around 5 a.m. (92% on-time); avoid 3 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 18 min |
| Tuesday | 84% | 15 min |
| Wednesdaybest | 93% | 12 min |
| Thursday | 84% | 19 min |
| Friday | 86% | 16 min |
| Saturday | 85% | 15 min |
| Sunday | 83% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft17%
- Airline operations72%
- National airspace system9%
- Weather2%
Frequently asked questions
- How often are flights from ROA to ATL delayed?
- 14% of ROA–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from ROA to ATL?
- Delta Air Lines has the best on-time record on this route at 89%, based on 833 flights. 3 airlines flew ROA–ATL frequently enough to compare in this period.
- What is the best time of day to fly from ROA to ATL?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 3 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ROA to ATL?
- The scheduled ROA–ATL flight time averages 1h 34m over 357 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are ROA to ATL flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ROA to ATL?
- December 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was June 2025 at 100%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 1,203 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.