FlightRecord

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

Data through May 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 81% against a national 78%, over roughly 25 departures a day to 19 destinations.

Departures on-time
81%
left <15 min late
Avg dep delay
18 min
Arrivals on-time
76%
Cancelled
2.0%
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.
94% on-time
Best day to fly
Tuesday
83% on-time
Most reliable airline here
Republic Airways
88% on-time from LEX
Cancellation risk
2.0%
above the US average
Check routes from LEX ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at LEX50%75%100%June 2024: 79% on-time (817 flights)79Jun 2024July 2024: 72% on-time (855 flights)72August 2024: 81% on-time (789 flights)81September 2024: 84% on-time (789 flights)84Sep 2024October 2024: 88% on-time (816 flights)88November 2024: 90% on-time (760 flights)90December 2024: 81% on-time (714 flights)81Dec 2024January 2025: 81% on-time (626 flights)81February 2025: 80% on-time (622 flights)80March 2025: 85% on-time (723 flights)85Mar 2025April 2025: 81% on-time (769 flights)81May 2025: 80% on-time (857 flights)80June 2025: 70% on-time (910 flights)70Jun 2025July 2025: 74% on-time (897 flights)74August 2025: 80% on-time (865 flights)80September 2025: 88% on-time (855 flights)88Sep 2025October 2025: 82% on-time (968 flights)82November 2025: 79% on-time (695 flights)79December 2025: 71% on-time (586 flights)71Dec 2025January 2026: 83% on-time (636 flights)83February 2026: 83% on-time (576 flights)83March 2026: 78% on-time (638 flights)78Mar 2026April 2026: 84% on-time (786 flights)84May 2026: 82% on-time (853 flights)82

Best time of day to depart from LEX

On-time percentage by scheduled departure hour at LEX5 a.m.: 94% on-time (765 flights)56 a.m.: 91% on-time (2,794 flights)67 a.m.: 91% on-time (2,064 flights)78 a.m.: 89% on-time (673 flights)89 a.m.: 84% on-time (749 flights)910 a.m.: 85% on-time (1,163 flights)1011 a.m.: 81% on-time (1,095 flights)1112 p.m.: 85% on-time (527 flights)121 p.m.: 83% on-time (893 flights)132 p.m.: 74% on-time (1,094 flights)143 p.m.: 72% on-time (1,190 flights)154 p.m.: 73% on-time (522 flights)165 p.m.: 75% on-time (1,794 flights)176 p.m.: 70% on-time (1,279 flights)187 p.m.: 70% on-time (699 flights)198 p.m.: 63% on-time (607 flights)209 p.m.: 41% on-time (381 flights)2110 p.m.: 63% on-time (113 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday79%18 min
Tuesdaybest83%16 min
Wednesday81%15 min
Thursday78%20 min
Friday80%17 min
Saturday79%19 min
Sunday75%22 min

Next: compare the busiest routes from LEX ↓

Busiest routes from LEX

RouteFlights/12moOn-timeAvg delay
LEX → ATL (Atlanta)2,03788%10 min
LEX → ORD (Chicago)1,78774%22 min
LEX → CLT (Charlotte)1,42178%22 min
LEX → DFW (Dallas/Fort Worth)1,21578%20 min
LEX → DTW (Detroit)78786%13 min
LEX → DEN (Denver)36582%14 min
LEX → PHL (Philadelphia)34280%14 min
LEX → DCA (Washington)30388%8 min
LEX → SFB (Sanford)22943%58 min
LEX → PIE (St. Petersburg)18461%25 min
LEX → PGD (Punta Gorda)17268%26 min
LEX → FLL (Fort Lauderdale)13159%38 min

Compare airlines departing LEX ↓

Where flights into LEX come from

RouteFlights/12moOn-timeAvg delay
ATL (Atlanta) → LEX2,03883%12 min
ORD (Chicago) → LEX1,78572%23 min
CLT (Charlotte) → LEX1,42274%19 min
DFW (Dallas/Fort Worth) → LEX1,21575%20 min
DTW (Detroit) → LEX78682%16 min
DEN (Denver) → LEX36575%16 min
PHL (Philadelphia) → LEX34178%17 min
DCA (Washington) → LEX30377%21 min

Most reliable routes

  1. LEX → ATL88%
  2. LEX → DCA88%
  3. LEX → DTW86%
  4. LEX → DEN82%
  5. LEX → PHL80%

Most delay-prone routes

  1. LEX → SFB43%
  2. LEX → FLL59%
  3. LEX → PIE61%
  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 aircraft40%
  • Airline operations38%
  • National airspace system16%
  • Weather6%

Alternative airports near Lexington

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
SDF — Louisville Muhammad Ali International Airport62 mi83%16 min
CVG — Cincinnati Northern Kentucky International Airport70 mi82%16 min
HTS — Tri-State Airport / Milton J. Ferguson Field114 mi55%44 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 min1,393
Delta Air Lines87%11 min4,057
Envoy Air82%13 min2,027
SkyWest Airlines82%17 min4,091
PSA Airlines81%19 min3,790
American Airlines72%32 min1,150
Allegiant Air62%34 min1,818

Frequently asked questions

How often are flights delayed at LEX?
19% of departures from Blue Grass Airport left 15+ minutes late between 2024-06 and 2026-05, 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 94% 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% 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 18,402 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.