Airport reliability
Lexington (LEX) on-time performance
How reliably flights leave Lexington, KY (LEX) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Lexington, KY9,234 departures in 12 months
- Departures on time
- 77.5% U.S. average 75.6%
- Cancelled
- 2.3% U.S. average 1.9%
- 60+ minutes late
- 9.4% U.S. average 8.1%
- Scheduled departures
- 9,234 12 months
What this means
LEX departures beat the U.S. average.
- 77.5% of the 9,234 scheduled departures from Lexington (LEX) arrived at their destination on time, 1.9 points higher than the U.S. average of 75.6%.
- 2.3% of departures were cancelled (U.S. average 1.9%), and 9.4% arrived an hour or more late.
- Flights arriving at LEX were on time 73.7% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from LEX (85.1%) and Allegiant Air the least (62.5%).
- Over the last 3 years, November was the most reliable month for departures from LEX (85.1% on time) and July the least reliable (71.0%).
- Cancellations peaked in January, when 6.0% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (88.6% on time); flights scheduled to depart 9 pm to 10 pm were the least (45.8%).
Airlines at LEX
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.1% | 1.9% | 5.4% | 78 min | 2,044 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 80.6% | 3.5% | 6.8% | 77 min | 648 |
| PSA AirlinesSold as American Eagle | 78.8% | 3.1% | 9.9% | 101 min | 2,067 |
| United Airlines | 78.4% | 1.0% | 6.9% | 69 min | 102 |
| Envoy AirSold as American Eagle | 77.4% | 1.4% | 7.1% | 69 min | 934 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 75.7% | 2.6% | 11.6% | 113 min | 2,218 |
| American Airlines | 70.8% | 2.2% | 13.8% | 146 min | 318 |
| Allegiant Air | 62.5% | 1.2% | 14.8% | 82 min | 903 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time LEX average 77.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 88.6% | 307 |
| Departing 6 am to 7 am | 85.8% | 1,181 |
| Departing 7 am to 8 am | 86.2% | 1,283 |
| Departing 8 am to 9 am | 83.2% | 304 |
| Departing 9 am to 10 am | 83.6% | 495 |
| Departing 10 am to 11 am | 84.7% | 646 |
| Departing 11 am to noon | 75.3% | 586 |
| Departing noon to 1 pm | 82.2% | 242 |
| Departing 1 pm to 2 pm | 80.8% | 556 |
| Departing 2 pm to 3 pm | 71.1% | 388 |
| Departing 3 pm to 4 pm | 72.9% | 505 |
| Departing 4 pm to 5 pm | 71.2% | 431 |
| Departing 5 pm to 6 pm | 69.9% | 854 |
| Departing 6 pm to 7 pm | 66.3% | 652 |
| Departing 7 pm to 8 pm | 67.4% | 383 |
| Departing 8 pm to 9 pm | 57.3% | 199 |
| Departing 9 pm to 10 pm | 45.8% | 166 |
| Departing 10 pm to 11 pm | 67.9% | 56 |
Best and worst months at LEX
Share of scheduled flights on time 12-month average 77.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 72.1% | 1,894 |
| February | 80.3% | 1,825 |
| March | 81.7% | 2,140 |
| April | 82.7% | 2,340 |
| May | 76.2% | 2,485 |
| June | 73.4% | 2,586 |
| July | 71.0% | 2,677 |
| August | 75.9% | 2,511 |
| September | 84.2% | 2,245 |
| October | 83.0% | 2,526 |
| November | 85.1% | 2,110 |
| December | 77.1% | 1,945 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 86.7% | 855 |
| Oct 2025 | 81.0% | 968 |
| Nov 2025 | 77.0% | 695 |
| Dec 2025 | 63.8% | 586 |
| Jan 2026 | 74.4% | 636 |
| Feb 2026 | 80.4% | 576 |
| Mar 2026 | 78.1% | 638 |
| Apr 2026 | 82.4% | 786 |
| May 2026 | 80.1% | 853 |
| Jun 2026 | 74.5% | 859 |
| Jul 2026 | 74.4% | 925 |
| Aug 2026 | 73.9% | 857 |
Busiest routes from LEX
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Atlanta (ATL) | 85.1% | 1.9% | 1 | 2,043 |
| Chicago (ORD) | 71.0% | 3.1% | 3 | 1,703 |
| Charlotte (CLT) | 80.8% | 2.4% | 1 | 1,360 |
| Dallas/Fort Worth (DFW) | 75.0% | 2.3% | 3 | 1,194 |
| Detroit (DTW) | 83.1% | 1.1% | 2 | 788 |
| Philadelphia (PHL) | 75.8% | 4.9% | 1 | 429 |
| Denver (DEN) | 85.8% | 0.8% | 2 | 365 |
| Washington (DCA) | 85.9% | 1.6% | 1 | 304 |
| Sanford (SFB) | 53.8% | 1.9% | 1 | 212 |
| St. Petersburg (PIE) | 60.3% | 1.1% | 1 | 174 |
| Punta Gorda (PGD) | 73.8% | 0.6% | 1 | 164 |
| New York (LGA) | 66.9% | 12.6% | 1 | 127 |
| Fort Lauderdale (FLL) | 46.7% | 0.8% | 1 | 120 |
| Sarasota/Bradenton (SRQ) | 78.3% | 2.2% | 1 | 92 |
| Las Vegas (LAS) | 68.2% | 1.1% | 1 | 88 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Lexington, KY (LEX) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.