ATL to LEX flight delays

ATL LEX Hartsfield Jackson Atlanta to Blue Grass · 304 miles

6,138 flights were scheduled from ATL to LEX over July 2023 through June 2026. Of the 6,037 that made the trip, 85.2% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
6,138
Arrived on time
85.2%
Cancelled
1.3%
Scheduled distance
304 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on ATL–LEX, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 85.3% 63 min 1.4% 5,799
Endeavor Air 86.7% 60 min 0% 272

Month by month

July was the month to avoid on ATL–LEX: 76.9% of flights arrived on time, against 91% in October. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 85.2%.
Arrival on-time share, ATL to LEX, by calendar month
Month Share flights that arrived on time Flights
January 81.1% 436
February 89.5% 431
March 86.7% 458
April 88.6% 511
May 79% 588
June 79% 561
July 76.9% 545
August 85.8% 537
September 90.1% 552
October 91% 574
November 90.7% 504
December 85.3% 441

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

ATL to LEX in one number

ATL → LEX

When a flight on this route was late, it was late by about 64 min.

July 2023–June 2026 · 6,138 flights

85.2% of flights arrived on time

Questions about ATL to LEX

Which airline is most reliable from ATL to LEX?
Endeavor Air — its flights on this pairing arrived on time 86.7% of the time, with 272 scheduled. Delta Air Lines came in at 85.3% over 5,799 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly ATL to LEX?
July, at 76.9% of arrivals on time, with 545 flights scheduled. October was the best of the year at 91%.
How late are ATL–LEX flights when they are late?
64 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the ATL to LEX flight cancelled?
1.3% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at LEX less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.