Best Time to Fly ATL to HSV: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Huntsville International-Carl T Jones Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.0% of Atlanta (ATL) to Huntsville (HSV) flights arrived on time (2,236 scheduled flights). That is 6.3 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (74%).
The cancellation rate was 1.9% (US average 1.8%).
ATL to HSV 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 | 84.0% | 65 min | 1.9% | 2,229 |
| SkyWest Airlines | Limited data | 7 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to HSV
On-time arrival % by scheduled departure hour (local time), 4,727 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 91.2% | 0.7% | 455 |
| 9am–10am | 89.4% | 2.0% | 357 |
| 10am–11am | 88.2% | 3.4% | 149 |
| 11am–12pm | 90.5% | 0.0% | 295 |
| 12pm–1pm | 88.1% | 0.6% | 323 |
| 1pm–2pm | 80.5% | 0.7% | 305 |
| 2pm–3pm | 85.3% | 1.1% | 268 |
| 3pm–4pm | 82.3% | 2.6% | 273 |
| 4pm–5pm | 80.7% | 1.7% | 302 |
| 5pm–6pm | 75.7% | 1.3% | 229 |
| 6pm–7pm | 77.1% | 1.0% | 388 |
| 7pm–8pm | 80.0% | 2.0% | 199 |
| 8pm–9pm | 72.4% | 1.9% | 319 |
| 9pm–10pm | 77.7% | 1.7% | 178 |
| 10pm–11pm | 84.3% | 1.3% | 318 |
| 11pm–12am | 81.1% | 2.2% | 369 |
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 HSV
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) | 86.7% | +1.9 pts | 0.0% | 90 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.5% | -4.3 pts | 1.5% | 130 |
| Summer peak (Jun 15 - Aug 15) | 76.2% | -8.5 pts | 1.5% | 868 |
| All other days | 84.8% | — | 1.4% | 3,639 |
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).