Best Time to Fly ATL to SAV: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Savannah/Hilton Head International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.2% of Atlanta (ATL) to Savannah (SAV) flights arrived on time (3,037 scheduled flights). That is 5.6 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, Wednesday was the most reliable day (89% on time) and July the worst month (68%).
The cancellation rate was 1.6% (US average 1.8%).
ATL to SAV 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 | 83.2% | 56 min | 1.6% | 3,037 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to SAV
On-time arrival % by scheduled departure hour (local time), 5,911 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 8am–9am | 91.8% | 2.0% | 657 |
| 9am–10am | 88.2% | 2.0% | 147 |
| 10am–11am | 86.1% | 1.6% | 579 |
| 11am–12pm | Limited data | 10 | |
| 12pm–1pm | 85.1% | 1.4% | 646 |
| 1pm–2pm | 80.9% | 1.6% | 245 |
| 2pm–3pm | 84.2% | 0.8% | 480 |
| 3pm–4pm | 81.9% | 1.6% | 243 |
| 4pm–5pm | 72.6% | 0.8% | 528 |
| 5pm–6pm | 77.7% | 1.6% | 320 |
| 6pm–7pm | 74.5% | 0.6% | 327 |
| 7pm–8pm | 79.1% | 2.2% | 451 |
| 8pm–9pm | 71.2% | 0.4% | 265 |
| 9pm–10pm | 74.5% | 1.4% | 286 |
| 10pm–11pm | 82.5% | 2.1% | 677 |
| 11pm–12am | 64.6% | 2.0% | 49 |
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 SAV
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) | 76.8% | -7.3 pts | 0.9% | 113 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.2% | -8.9 pts | 1.3% | 225 |
| Summer peak (Jun 15 - Aug 15) | 72.0% | -12.1 pts | 1.7% | 1,066 |
| All other days | 84.1% | — | 1.4% | 4,507 |
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).