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Route · LEX → ATL · 2020–2025 BTS data

Lexington to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LEX to ATL (Lexington to Atlanta) ranks #863 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

90.1%
On-time
+11.1 pts
vs US avg
92 min
Delay when late
12,502
Flights
#863 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Jun 2024 97%

Worst Month

Dec 2025 79%

Distance

304 mi

Carriers

17

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 106 22 5 1 DL
Nov 2025 184 24 7 0 DL
Oct 2025 200 17 0 0 DL
Sep 2025 192 7 0 0 DL
Aug 2025 193 19 0 1 DL
Jul 2025 191 29 1 0 DL
Jun 2025 190 39 5 1 DL
May 2025 198 31 0 0 DL,OO
Apr 2025 166 12 0 0 DL,OO
Mar 2025 162 15 1 0 OO,DL
Feb 2025 159 26 0 0 DL
Jan 2025 141 24 12 0 OO,DL
Dec 2024 185 34 0 1 9E,DL
Nov 2024 176 13 0 0 DL,OO,9E
Oct 2024 201 15 0 0 DL
Sep 2024 189 15 3 0 DL
Aug 2024 177 18 0 0 DL
Jul 2024 177 29 14 0 DL
Jun 2024 174 6 0 0 DL,OO
May 2024 180 23 3 0 9E,DL,OO
Apr 2024 176 13 1 0 9E,DL,OO
Mar 2024 172 21 0 0 9E,DL,OO
Feb 2024 136 5 0 0 9E,DL
Jan 2024 148 26 1 0 9E,DL

LEX–ATL seasonal on-time pattern

Best: September (96.3%) · weakest: December (86.5%)

85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 86.5%

Strongest calendar month

September

96.3% on-time · ~183 flights/mo

Busiest calendar month

March

~193 flights/mo avg

Weakest calendar month

December

86.5% on-time · ~160 flights/mo

Cancellation Rate

1.3%

53 of 4,173 flights

Diversion Rate

0.1%

4 of 4,173 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

LEX - Lexington

Full on-time, delay-cause, and seasonal performance for Lexington, KY.

LEX on-time profile

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

See LEX and ATL side by side on delays, cancellations, and reliability.

Compare LEX vs ATL

Origin-hub reliability standing

Among LEX's stronger departures

LEX → ATL posts a 90.1% on-time rate, landing in the ≥85% band with 2 of 6 BTS-tracked routes leaving Lexington. The same hub also shows 4 mid-band and 0 challenged departures · fleet-wide on-time rank #143 of 4927 (highest on-time = #1).

What the Data Says About LEX to ATL

Lexington to Atlanta (LEX to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 90.1% on-time rate across 12,502 flights, with delays that do happen averaging 91.6 minutes. The corridor runs roughly 304 miles and is served by 17 carriers. Over the most recent 24 months, 53 of 4,173 flights were cancelled (1.3%) and 4 diverted (0.1%).

The monthly split is wide on this route: Jun 2024 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 79% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, LEX–ATL peaks in September at 96.3% on-time while March carries the heaviest traffic (~193 flights per month) ; the softest month is December at 86.5%, a 9.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LEX to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LEX to ATL ranks #863 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LEX to ATL? ▼
Flights from Lexington to Atlanta have a 90.1% on-time rate based on 12,502 flights. The average delay is 91.6 minutes. The best recent month was Jun 2024 with 97% on-time.
What is the cancellation rate for LEX to ATL? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (53 of 4,173 flights) and 0.1% were diverted.
How far is the flight from LEX to ATL? ▼
The flight distance from Lexington (LEX) to Atlanta (ATL) is approximately 304 miles. This route is served by 17 carriers.
When is the best time to fly from LEX to ATL? ▼
The best recent month for on-time performance was Jun 2024 (97% on-time). The worst was Dec 2025 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

LEX Airport

Lexington
ATL Airport

Atlanta
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using LEX–ATL data

LEX–ATL runs 11.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LEX and ATL airport profiles: delay causes and top routes differ even on the same corridor. LEX airport
  • If your dates flex, September (96.3% on-time) beats December (86.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 90.1% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.