ON TIMEBOARD

LEX → ATL on time

Blue Grass (Lexington, KY) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
84%
arrived < 15 min late
Cancelled
1.7%
2,313 flights
Typical arrival
−16 min
median vs schedule
When late
+77 min
average delay
Flights / day
6
1 airline

84% of flights from Lexington to Atlanta arrived on time over the past 12 months. That is better than the typical U.S. route. The 7 a.m. departures ran on time 89% of the time; the 2 p.m. ones 76%. 8% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LEX → ATL: when a flight was late, it was under 45 minutes late 45% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 75 three hours or more; 1.7% were cancelled outright.

Share of all 2,313 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines2,31384%1.7%−16 min5.9%+77 minDelta Air Lines 88%, Endeavor Air 12%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LEX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (31 flights)5a6 a.m. departures: 87% on time (330 flights)876a7 a.m. departures: 89% on time (339 flights)897a8 a.m. departures: too few flights (30 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: 88% on time (347 flights)8810a11 a.m. departures: too few flights (18 flights)11anoon departures: too few flights (78 flights)12p1 p.m. departures: 83% on time (235 flights)831p2 p.m. departures: 76% on time (101 flights)762p3 p.m. departures: 81% on time (257 flights)813p4 p.m. departures: too few flights (69 flights)4p5 p.m. departures: 78% on time (238 flights)785p6 p.m. departures: too few flights (63 flights)6p7 p.m. departures: 78% on time (148 flights)787p8 p.m. departures: too few flights (29 flights)8p
LEX → ATL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On LEX → ATL, each airline's last flight of the day was cancelled 3.3% of the time, against 1.4% for its earlier flights (2.3× as often). It arrived 3+ hours late 0.5% of the time (earlier flights: 1.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines5:56 p.m.3.3%0.5%1.4%first flight 6:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in ATL tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: September (95%). Worst: July (78%).

40%70%100%Jan: 79% on time (498 flights)79JanFeb: 88% on time (474 flights)88FebMar: 86% on time (589 flights)86MarApr: 89% on time (586 flights)89AprMay: 85% on time (602 flights)85MayJun: 85% on time (576 flights)85JunJul: 78% on time (576 flights)78JulAug: 88% on time (557 flights)88AugSep: 95% on time (551 flights)95SepOct: 93% on time (576 flights)93OctNov: 90% on time (504 flights)90NovDec: 82% on time (535 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday35178%1.7%
Tuesday32186%0.6%
Wednesday31590%0.0%
Thursday33988%0.6%
Friday34485%0.6%
Saturday29884%3.7%
Sunday34578%4.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 47%Late inbound plane 34%Severe weather 11%Air traffic & airport (NAS) 9%

Cancellations: airline 26 · weather 13 · air traffic/airport 1

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 98% on time, 0.0% cancelledOct 2023: 94% on time, 0.0% cancelledNov 2023: 95% on time, 0.0% cancelledDec 2023: 92% on time, 0.0% cancelledJan 2024: 82% on time, 0.7% cancelledFeb 2024: 96% on time, 0.0% cancelledMar 2024: 88% on time, 0.0% cancelledApr 2024: 92% on time, 0.6% cancelledMay 2024: 86% on time, 1.7% cancelledJun 2024: 97% on time, 0.0% cancelledJul 2024: 76% on time, 7.9% cancelledAug 2024: 90% on time, 0.0% cancelledSep 2024: 90% on time, 1.6% cancelledOct 2024: 93% on time, 0.0% cancelledNov 2024: 93% on time, 0.0% cancelledDec 2024: 81% on time, 0.0% cancelledJan 2025: 74% on time, 8.7% cancelledFeb 2025: 84% on time, 0.0% cancelledMar 2025: 88% on time, 0.5% cancelledApr 2025: 86% on time, 0.0% cancelledMay 2025: 84% on time, 0.5% cancelledJun 2025: 74% on time, 2.9% cancelledJul 2025: 84% on time, 0.5% cancelledAug 2025: 90% on time, 0.0% cancelledSep 2025: 96% on time, 0.0% cancelledOct 2025: 92% on time, 0.0% cancelledNov 2025: 83% on time, 3.8% cancelledDec 2025: 75% on time, 2.5% cancelledJan 2026: 83% on time, 6.0% cancelledFeb 2026: 84% on time, 0.0% cancelledMar 2026: 81% on time, 1.9% cancelledApr 2026: 89% on time, 1.5% cancelledMay 2026: 85% on time, 2.4% cancelledJun 2026: 86% on time, 1.5% cancelledJul 2026: 73% on time, 1.5% cancelledAug 2026: 83% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
LEX → ATL, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 21846:00 a.m.34988%2.3%−17 minDelta Air Lines
DL 30587:05 a.m.20389%1.5%−13 minDelta Air Lines
DL 223210:10 a.m.17988%1.7%−16 minDelta Air Lines
DL 30961:04 p.m.17783%1.1%−14 minDelta Air Lines
DL 30783:32 p.m.16676%1.8%−14 minDelta Air Lines
DL 31435:56 p.m.16876%2.4%−19 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Mar 16, 202670%1
Jun 18, 202670%1
Nov 9, 202570%4
Jan 25, 202660%6
Mar 7, 202650%3

Questions

How often are flights from LEX to ATL on time?

84% of 2,313 scheduled flights from Lexington, KY to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.7% were cancelled.

What is the best time of day to fly LEX to ATL?

Flights scheduled to leave at 7 a.m. were the most reliable (89% on time). The 2 p.m. departures were the least (76%).

What month has the most delays from LEX to ATL?

July (78% on time). The best month is September (95%), over 2023–2026.

Is the last flight of the day from LEX to ATL more likely to be cancelled?

Yes. Each airline's last LEX–ATL flight of the day was cancelled 3.3% of the time over the past year, against 1.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.