Best Time to Fly ATL to GSO: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Piedmont Triad International
Data through July 2026 · Last updated October 18, 2026
2,754 flights were scheduled from Atlanta (ATL) to Greensboro/High Point (GSO) in the last 12 months, and 83.8% of those that flew arrived on time, 6.2 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (88% on time) and July the worst month (70%).
The cancellation rate was 2.0% (US average 1.8%).
ATL to GSO 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 | 83.8% | 60 min | 2.0% | 2,754 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to GSO
On-time arrival % by scheduled departure hour (local time), 5,350 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 92.6% | 1.2% | 657 |
| 9am–10am | 89.1% | 0.0% | 55 |
| 10am–11am | 87.5% | 1.5% | 595 |
| 11am–12pm | 81.2% | 3.0% | 33 |
| 12pm–1pm | 87.1% | 0.8% | 618 |
| 1pm–2pm | 81.4% | 0.0% | 59 |
| 2pm–3pm | 80.7% | 1.4% | 359 |
| 3pm–4pm | 88.6% | 0.9% | 336 |
| 4pm–5pm | 78.1% | 2.4% | 335 |
| 5pm–6pm | 75.5% | 1.7% | 299 |
| 6pm–7pm | 78.5% | 2.7% | 330 |
| 7pm–8pm | 71.2% | 1.4% | 297 |
| 8pm–9pm | 77.2% | 1.5% | 464 |
| 9pm–10pm | 76.1% | 0.5% | 202 |
| 10pm–11pm | 82.9% | 1.5% | 684 |
| 11pm–12am | Limited data | 27 | |
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 GSO
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) | 78.6% | -6.5 pts | 0.0% | 103 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.5% | -2.6 pts | 1.7% | 116 |
| Summer peak (Jun 15 - Aug 15) | 73.7% | -11.4 pts | 1.9% | 1,007 |
| All other days | 85.1% | — | 1.3% | 4,124 |
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).