Denver (DEN) to Lexington (LEX): On-Time Performance
Data through July 2026
When you fly DEN to LEX matters as much as anything else about the booking: the route swung from 90% on-time in December 2024 to just 42% in July 2025. Across the full period the route averages 74% on-time against a national 78%.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 1.0
- last 12 months
- Duration
- 2h 48m
- scheduled
- Distance
- 1,086 mi
Best airline from DEN to LEX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 76% | 15 min | 0.6% | 689 |
| United Airlines | 47% | 39 min | 1.4% | 72 |
Monthly on-time trend
Best time to fly from DEN to LEX
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 23 min |
| Tuesday | 75% | 19 min |
| Wednesday | 71% | 17 min |
| Thursdaybest | 79% | 12 min |
| Friday | 73% | 16 min |
| Saturday | 78% | 13 min |
| Sunday | 71% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations28%
- National airspace system33%
- Weather8%
Frequently asked questions
- How often are flights from DEN to LEX delayed?
- 27% of DEN–LEX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from DEN to LEX?
- SkyWest Airlines has the best on-time record on this route at 76%, based on 689 flights. 2 airlines flew DEN–LEX frequently enough to compare in this period.
- How long is the flight from DEN to LEX?
- The scheduled DEN–LEX flight time averages 2h 48m over 1,086 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are DEN to LEX flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to LEX?
- July 2025 was the roughest month in this dataset, with only 42% of arrivals on time. The best was December 2024 at 90%. If your dates are flexible, that 48-point gap is worth planning around.
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Based on 761 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.