FlightRecord

Blue Grass Airport (LEX): Delays & On-Time Performance

Data through July 2026

Blue Grass Airport (LEX) is a tale of two seasons: departures ran 90% on-time in November 2024 but sank to 70% in June 2025. Across the year it averages 80% against a national 78%, over roughly 25 departures a day to 19 destinations.

Departures on-time
80%
left <15 min late
Avg dep delay
18 min
Arrivals on-time
76%
Cancelled
2.1%
Destinations
19
nonstop
Airlines
9

Plan your departure from LEX

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 5 a.m.
93% on-time
Best day to fly
Tuesday
83% on-time
Most reliable airline here
Republic Airways
88% on-time from LEX
Cancellation risk
2.1%
above the US average
Check routes from LEX ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at LEX50%75%100%August 2024: 81% on-time (789 flights)81Aug 2024September 2024: 84% on-time (789 flights)84October 2024: 88% on-time (816 flights)88November 2024: 90% on-time (760 flights)90Nov 2024December 2024: 81% on-time (714 flights)81January 2025: 81% on-time (626 flights)81February 2025: 80% on-time (622 flights)80Feb 2025March 2025: 85% on-time (723 flights)85April 2025: 81% on-time (769 flights)81May 2025: 80% on-time (857 flights)80May 2025June 2025: 70% on-time (910 flights)70July 2025: 74% on-time (897 flights)74August 2025: 80% on-time (865 flights)80Aug 2025September 2025: 88% on-time (855 flights)88October 2025: 82% on-time (968 flights)82November 2025: 79% on-time (695 flights)79Nov 2025December 2025: 71% on-time (586 flights)71January 2026: 83% on-time (636 flights)83February 2026: 83% on-time (576 flights)83Feb 2026March 2026: 78% on-time (638 flights)78April 2026: 84% on-time (786 flights)84May 2026: 82% on-time (853 flights)82May 2026June 2026: 77% on-time (859 flights)77July 2026: 76% on-time (925 flights)76

Best time of day to depart from LEX

On-time percentage by scheduled departure hour at LEX5 a.m.: 93% on-time (890 flights)56 a.m.: 91% on-time (2,785 flights)67 a.m.: 91% on-time (2,217 flights)78 a.m.: 89% on-time (711 flights)89 a.m.: 84% on-time (847 flights)910 a.m.: 85% on-time (1,231 flights)1011 a.m.: 80% on-time (1,084 flights)1112 p.m.: 85% on-time (539 flights)121 p.m.: 83% on-time (1,040 flights)132 p.m.: 74% on-time (1,028 flights)143 p.m.: 72% on-time (1,269 flights)154 p.m.: 70% on-time (593 flights)165 p.m.: 75% on-time (1,883 flights)176 p.m.: 69% on-time (1,374 flights)187 p.m.: 70% on-time (724 flights)198 p.m.: 62% on-time (647 flights)209 p.m.: 41% on-time (389 flights)2110 p.m.: 64% on-time (118 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%19 min
Tuesdaybest83%16 min
Wednesday82%14 min
Thursday77%20 min
Friday80%17 min
Saturday77%20 min
Sunday75%23 min

Next: compare the busiest routes from LEX ↓

Busiest routes from LEX

RouteFlights/12moOn-timeAvg delay
LEX → ATL (Atlanta)2,05487%11 min
LEX → ORD (Chicago)1,71074%23 min
LEX → CLT (Charlotte)1,38078%20 min
LEX → DFW (Dallas/Fort Worth)1,21378%19 min
LEX → DTW (Detroit)78886%14 min
LEX → PHL (Philadelphia)39979%17 min
LEX → DEN (Denver)36583%13 min
LEX → DCA (Washington)30488%8 min
LEX → SFB (Sanford)22044%56 min
LEX → PIE (St. Petersburg)17662%24 min
LEX → PGD (Punta Gorda)16468%29 min
LEX → FLL (Fort Lauderdale)12556%39 min

Compare airlines departing LEX ↓

Where flights into LEX come from

RouteFlights/12moOn-timeAvg delay
ATL (Atlanta) → LEX2,05583%12 min
ORD (Chicago) → LEX1,70972%24 min
CLT (Charlotte) → LEX1,38273%19 min
DFW (Dallas/Fort Worth) → LEX1,21476%19 min
DTW (Detroit) → LEX78781%17 min
PHL (Philadelphia) → LEX39874%23 min
DEN (Denver) → LEX36574%17 min
DCA (Washington) → LEX30476%23 min

Most reliable routes

  1. LEX → DCA88%
  2. LEX → ATL87%
  3. LEX → DTW86%
  4. LEX → DEN83%
  5. LEX → PHL79%

Most delay-prone routes

  1. LEX → SFB44%
  2. LEX → FLL56%
  3. LEX → PIE62%
  4. LEX → PGD68%
  5. LEX → ORD74%

What causes delays at LEX

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing LEX.

  • Late-arriving aircraft39%
  • Airline operations37%
  • National airspace system15%
  • Weather8%

Alternative airports near Lexington

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
SDF — Louisville Muhammad Ali International Airport62 mi82%16 min
CVG — Cincinnati Northern Kentucky International Airport70 mi81%16 min

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at LEX

AirlineOn-time departuresAvg delayFlights
Republic Airways88%9 min1,447
Delta Air Lines86%12 min4,282
Envoy Air82%13 min2,135
SkyWest Airlines81%19 min4,313
PSA Airlines80%20 min4,119
American Airlines73%29 min996
Allegiant Air62%33 min1,940

Frequently asked questions

How often are flights delayed at LEX?
20% of departures from Blue Grass Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from LEX?
Flights scheduled around 5 a.m. depart on time 93% of the time at LEX, versus 41% around 9 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at LEX?
In this dataset, June 2025 was the weakest month at LEX, with 70% of departures on time.
How often are flights cancelled at LEX?
2.1% of scheduled departures from LEX were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 19,369 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.