Best Time to Fly HSV to ATL: On-Time Stats by Hour & Airline
Huntsville International-Carl T Jones Field → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 89.2% of Huntsville (HSV) to Atlanta (ATL) flights arrived on time (2,236 scheduled flights). That is 11.6 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, Thursday was the most reliable day (92% on time) and July the worst month (83%).
The cancellation rate was 2.0% (US average 1.8%).
HSV to ATL 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 | 89.2% | 88 min | 2.0% | 2,229 |
| SkyWest Airlines | Limited data | 7 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HSV to ATL
On-time arrival % by scheduled departure hour (local time), 4,726 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.1% | 1.8% | 559 |
| 6am–7am | 95.4% | 1.0% | 197 |
| 7am–8am | 89.0% | 0.9% | 672 |
| 8am–9am | 91.3% | 1.6% | 245 |
| 9am–10am | 91.3% | 1.5% | 478 |
| 10am–11am | 94.0% | 2.7% | 256 |
| 11am–12pm | 90.4% | 1.2% | 243 |
| 12pm–1pm | 87.9% | 0.7% | 286 |
| 1pm–2pm | 88.3% | 0.0% | 224 |
| 2pm–3pm | 86.6% | 0.7% | 444 |
| 3pm–4pm | 87.3% | 0.7% | 135 |
| 4pm–5pm | 79.9% | 3.4% | 175 |
| 5pm–6pm | 83.8% | 1.6% | 371 |
| 6pm–7pm | 82.4% | 2.6% | 228 |
| 7pm–8pm | 77.1% | 1.4% | 213 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HSV to ATL
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) | 91.1% | +1.7 pts | 0.0% | 90 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.2% | -4.2 pts | 1.5% | 130 |
| Summer peak (Jun 15 - Aug 15) | 85.0% | -4.4 pts | 1.6% | 868 |
| All other days | 89.4% | — | 1.4% | 3,638 |
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).