Lexington (LEX) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly LEX to DEN matters as much as anything else about the booking: the route swung from 97% on-time in September 2025 to just 53% in January 2025. Across the full period the route averages 83% on-time against a national 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 1.0
- last 12 months
- Duration
- 3h 20m
- scheduled
- Distance
- 1,086 mi
Best airline from LEX to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 83% | 13 min | 0.4% | 690 |
| United Airlines | 77% | 15 min | 1.4% | 71 |
Monthly on-time trend
Best time to fly from LEX to DEN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 15 min |
| Tuesday | 83% | 16 min |
| Wednesday | 82% | 10 min |
| Thursday | 81% | 14 min |
| Friday | 83% | 12 min |
| Saturday | 82% | 16 min |
| Sundaybest | 85% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft1%
- Airline operations76%
- National airspace system15%
- Weather8%
Frequently asked questions
- How often are flights from LEX to DEN delayed?
- 17% of LEX–DEN 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 13 minutes.
- Which airline is most reliable from LEX to DEN?
- SkyWest Airlines has the best on-time record on this route at 83%, based on 690 flights. 2 airlines flew LEX–DEN frequently enough to compare in this period.
- How long is the flight from LEX to DEN?
- The scheduled LEX–DEN flight time averages 3h 20m over 1,086 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are LEX to DEN flights cancelled?
- 0.5% 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 LEX to DEN?
- January 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 43-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.