Best Time to Fly LEX to ATL: On-Time Stats by Hour & Airline
Blue Grass → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 87.7% of Lexington (LEX) to Atlanta (ATL) flights arrived on time (2,054 scheduled flights). That is 10.0 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 (91% on time) and July the worst month (80%).
The cancellation rate was 1.9% (US average 1.8%).
LEX 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 | 87.7% | 78 min | 1.9% | 2,054 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LEX to ATL
On-time arrival % by scheduled departure hour (local time), 4,189 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.8% | 1.9% | 158 |
| 6am–7am | 92.4% | 1.5% | 548 |
| 7am–8am | 91.2% | 1.2% | 650 |
| 8am–9am | Limited data | 24 | |
| 10am–11am | 90.0% | 1.6% | 632 |
| 11am–12pm | Limited data | 27 | |
| 12pm–1pm | 90.8% | 1.3% | 77 |
| 1pm–2pm | 87.0% | 0.4% | 503 |
| 2pm–3pm | 83.9% | 3.1% | 64 |
| 3pm–4pm | 84.0% | 1.4% | 506 |
| 4pm–5pm | 90.9% | 1.3% | 78 |
| 5pm–6pm | 80.5% | 1.9% | 424 |
| 6pm–7pm | 83.1% | 1.1% | 191 |
| 7pm–8pm | 82.0% | 2.5% | 245 |
| 8pm–9pm | 71.2% | 4.8% | 62 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LEX 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) | 83.5% | -5.3 pts | 0.0% | 85 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.8% | -10.0 pts | 0.0% | 66 |
| Summer peak (Jun 15 - Aug 15) | 82.7% | -6.1 pts | 1.4% | 778 |
| All other days | 88.8% | — | 1.5% | 3,260 |
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).