Atlanta (ATL) to Lexington (LEX): On-Time Performance
Data through July 2026
Atlanta (ATL) to Lexington (LEX) effectively runs on two schedules. In November 2024, 94% of arrivals were on time; in June 2025 that fell to 63% — a 32-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 79%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 5.6
- last 12 months
- Duration
- 1h 14m
- scheduled
- Distance
- 304 mi
Best airline from ATL to LEX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 85% | 13 min | 0.0% | 67 |
| Delta Air Lines | 83% | 12 min | 1.7% | 4,280 |
Monthly on-time trend
Best time to fly from ATL to LEX
Aim for departures around 10 a.m. (93% on-time); avoid 6 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 9 min |
| Tuesday | 84% | 10 min |
| Wednesdaybest | 87% | 8 min |
| Thursday | 85% | 12 min |
| Friday | 79% | 15 min |
| Saturday | 85% | 9 min |
| Sunday | 76% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations52%
- National airspace system10%
- Weather8%
Frequently asked questions
- How often are flights from ATL to LEX delayed?
- 17% of ATL–LEX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from ATL to LEX?
- Endeavor Air has the best on-time record on this route at 85%, based on 67 flights. 2 airlines flew ATL–LEX frequently enough to compare in this period.
- What is the best time of day to fly from ATL to LEX?
- Departures around 10 a.m. have the best record (93% on-time), while departures around 6 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to LEX?
- The scheduled ATL–LEX flight time averages 1h 14m over 304 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are ATL to LEX flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ATL to LEX?
- June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 4,369 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.