Best Time to Fly CLT to ATL: On-Time Stats by Hour & Airline
Charlotte Douglas International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.2% of Charlotte (CLT) to Atlanta (ATL) flights arrived on time (4,382 scheduled flights). That is 4.6 points above the national average of 77.6%.
Among 4 airlines, Delta Air Lines led with 86.7% on time and American Airlines was last with 71.9%.
Over 24 months, Wednesday was the most reliable day (85% on time) and July the worst month (71%).
The cancellation rate was 1.8% (US average 1.8%).
CLT 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 | 86.7% | 80 min | 1.4% | 2,589 |
| Envoy Air | 84.5% | 48 min | 3.5% | 174 |
| PSA Airlines | 75.4% | 70 min | 2.3% | 1,332 |
| American Airlines | 71.9% | 77 min | 2.8% | 287 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to ATL
On-time arrival % by scheduled departure hour (local time), 9,654 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.2% | 3.4% | 408 |
| 6am–7am | 92.5% | 0.7% | 580 |
| 7am–8am | 80.7% | 1.7% | 903 |
| 8am–9am | 90.0% | 1.6% | 733 |
| 9am–10am | 87.3% | 1.5% | 850 |
| 10am–11am | 86.7% | 0.8% | 258 |
| 11am–12pm | 85.2% | 0.8% | 595 |
| 12pm–1pm | 86.0% | 1.6% | 427 |
| 1pm–2pm | 78.3% | 1.0% | 384 |
| 2pm–3pm | 78.2% | 0.4% | 954 |
| 3pm–4pm | 84.4% | 2.7% | 112 |
| 4pm–5pm | 73.5% | 1.4% | 892 |
| 5pm–6pm | 76.7% | 1.7% | 358 |
| 6pm–7pm | 70.4% | 2.4% | 847 |
| 7pm–8pm | 74.6% | 0.0% | 272 |
| 8pm–9pm | 64.1% | 2.6% | 389 |
| 9pm–10pm | 76.8% | 4.0% | 148 |
| 10pm–11pm | 69.5% | 4.0% | 543 |
| 11pm–12am | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT 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) | 75.3% | -6.9 pts | 0.0% | 182 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.4% | -6.8 pts | 0.3% | 350 |
| Summer peak (Jun 15 - Aug 15) | 74.3% | -7.9 pts | 2.5% | 1,654 |
| All other days | 82.2% | — | 1.6% | 7,468 |
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).