Best Time to Fly LEX to DEN: On-Time Stats by Hour & Airline
Blue Grass → Denver International
Data through July 2026 · Last updated October 18, 2026
365 flights were scheduled from Lexington (LEX) to Denver (DEN) in the last 12 months, and 85.3% of those that flew arrived on time, 7.7 points above the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 87.3%, while United Airlines trailed at 77.1%.
September has been the best month (95% on time) and Thursday the weakest day of the week (80%).
0.8% of flights were cancelled, versus 1.8% nationally.
LEX to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 87.3% | 86 min | 0.7% | 294 |
| United Airlines | 77.1% | 61 min | 1.4% | 71 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LEX to DEN
On-time arrival % by scheduled departure hour (local time), 730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 87.3% | 0.5% | 221 |
| 9am–10am | 80.6% | 0.6% | 509 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LEX to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +6.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 76.4% | -7.6 pts | 0.8% | 124 |
| All other days | 84.0% | — | 0.5% | 562 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).