Blue Grass (LEX) Delays and On-Time Departures
Lexington, KY · ranked 174th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Lexington (LEX) had 9,242 scheduled departures and 80.4% of them left on time (US average 77.4%).
That ranks 174th of 333 US airports tracked on this site, with 2.2% of departures cancelled.
Republic Airways was the most punctual airline here, with 86.9% of departures on time.
September has been the best month (86% on time) and Sunday the weakest day of the week (76%).
Best time of day to fly out of Lexington (LEX)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.1% | 2.0% | 860 |
| 6am–7am | 91.5% | 2.1% | 2,609 |
| 7am–8am | 90.8% | 1.7% | 2,152 |
| 8am–9am | 89.0% | 2.5% | 708 |
| 9am–10am | 84.7% | 0.6% | 814 |
| 10am–11am | 85.3% | 1.1% | 1,169 |
| 11am–12pm | 80.0% | 1.9% | 1,021 |
| 12pm–1pm | 85.2% | 1.7% | 528 |
| 1pm–2pm | 83.8% | 1.1% | 981 |
| 2pm–3pm | 73.8% | 1.5% | 985 |
| 3pm–4pm | 72.4% | 2.2% | 1,223 |
| 4pm–5pm | 71.8% | 2.4% | 548 |
| 5pm–6pm | 75.7% | 2.3% | 1,797 |
| 6pm–7pm | 68.9% | 2.7% | 1,342 |
| 7pm–8pm | 69.6% | 3.1% | 716 |
| 8pm–9pm | 62.7% | 5.0% | 584 |
| 9pm–10pm | 42.1% | 2.8% | 359 |
| 10pm–11pm | 63.6% | 0.0% | 118 |
Airlines at LEX ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Republic Airways | 86.9% | 85.2% | 3.0% | 644 |
| Delta Air Lines | 86.3% | 87.7% | 1.9% | 2,055 |
| United Airlines | 82.9% | 77.1% | 1.4% | 71 |
| PSA Airlines | 81.5% | 82.6% | 2.6% | 2,076 |
| Envoy Air | 80.2% | 77.6% | 1.5% | 929 |
| SkyWest Airlines | 80.0% | 77.4% | 2.6% | 2,234 |
| American Airlines | 71.1% | 72.6% | 2.2% | 318 |
| Allegiant Air | 64.9% | 62.9% | 1.2% | 915 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of LEX
On-time departures by day, 24 months.
Best month to fly out of LEX
On-time departures by month, 24 months.
Holiday travel at Lexington (LEX)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.9% | -4.6 pts | 2.1% | 333 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.4% | -6.2 pts | 0.6% | 515 |
| Summer peak (Jun 15 - Aug 15) | 74.2% | -8.4 pts | 2.5% | 3,598 |
| All other days | 82.5% | — | 2.0% | 14,068 |
Monthly on-time departure trend at LEX
On-time departure % each month, with the 12-month US average for reference.
Routes from Lexington (LEX)
Every route from LEX with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| LEX → Atlanta (ATL) | 87.7% | 1.9% | 2,054 |
| LEX → Chicago (ORD) | 73.4% | 3.2% | 1,710 |
| LEX → Charlotte (CLT) | 83.5% | 2.0% | 1,380 |
| LEX → Dallas/Fort Worth (DFW) | 77.0% | 2.5% | 1,213 |
| LEX → Detroit (DTW) | 83.8% | 1.1% | 788 |
| LEX → Philadelphia (PHL) | 81.0% | 3.5% | 399 |
| LEX → Denver (DEN) | 85.3% | 0.8% | 365 |
| LEX → Washington (DCA) | 88.9% | 1.6% | 304 |
| LEX → Sanford (SFB) | 52.8% | 1.8% | 220 |
| LEX → St. Petersburg (PIE) | 62.6% | 1.1% | 176 |
| LEX → Punta Gorda (PGD) | 73.6% | 0.6% | 164 |