DEN to LEX flight delays & on-time performance
Nonstop flights from Denver International Airport to Blue Grass Airport · 1,086 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or LEX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Lexington (LEX) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.8% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (78% on time); United Airlines was the least (46%).
- Tuesday was the most reliable day to fly (79% on time) and Monday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (32%).
Which airline is most on time from DEN to LEX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 78% | 0.7% | 13 min | 6.5% | 293 |
| United Airlines | 46% | 1.4% | 39 min | 22.5% | 72 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday63%0.0% cancelled
- Tuesday79%0.0% cancelled
- Wednesday75%1.9% cancelled
- Thursday73%0.0% cancelled
- Friday70%0.0% cancelled
- Saturday71%1.9% cancelled
- Sunday75%1.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft32%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)27%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
DEN to LEX: common questions
- How often are DEN to LEX flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Lexington cancelled?
- 0.8% of scheduled flights were cancelled (3 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 9.7% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LEX to DEN — 85% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → LEX, nonstop flights by US airlines that report to the DOT. How we calculate this.