Best Time to Fly CLE to ATL: On-Time Stats by Hour & Airline
Cleveland-Hopkins International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.6% of Cleveland (CLE) to Atlanta (ATL) flights arrived on time (3,410 scheduled flights). That is 7.0 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 88.5% on time and Frontier Airlines was last with 70.0%.
Over 24 months, Tuesday was the most reliable day (89% on time) and January the worst month (76%).
The cancellation rate was 2.3% (US average 1.8%).
CLE 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 | 88.5% | 74 min | 2.1% | 2,692 |
| Frontier Airlines | 70.0% | 78 min | 2.8% | 718 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLE to ATL
On-time arrival % by scheduled departure hour (local time), 6,627 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.6% | 1.4% | 219 |
| 6am–7am | 91.4% | 2.2% | 787 |
| 7am–8am | 85.2% | 1.7% | 824 |
| 8am–9am | 89.7% | 1.6% | 624 |
| 9am–10am | 88.1% | 0.7% | 152 |
| 10am–11am | 92.5% | 1.4% | 351 |
| 11am–12pm | 89.8% | 2.7% | 375 |
| 12pm–1pm | 86.4% | 0.5% | 423 |
| 1pm–2pm | 79.3% | 0.6% | 337 |
| 2pm–3pm | 85.7% | 2.3% | 484 |
| 3pm–4pm | 71.0% | 2.4% | 127 |
| 4pm–5pm | 85.8% | 1.2% | 430 |
| 5pm–6pm | 81.0% | 0.5% | 394 |
| 6pm–7pm | 74.9% | 1.7% | 469 |
| 7pm–8pm | 72.4% | 2.3% | 568 |
| 8pm–9pm | 69.6% | 0.0% | 46 |
| 9pm–10pm | Limited data | 17 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLE 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) | 72.4% | -13.5 pts | 0.0% | 124 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.9% | -11.0 pts | 3.6% | 252 |
| Summer peak (Jun 15 - Aug 15) | 82.0% | -3.8 pts | 2.5% | 1,263 |
| All other days | 85.9% | — | 1.3% | 4,988 |
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).