Routes › Lexington (LEX) › LEX to DEN
Route · 12 months to July 2026
Lexington to Denver: on-time record
Blue Grass to Denver International
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live flight status.
Flights from Lexington (LEX) to Denver (DEN) arrived on time 84.4% of the time in the 12 months to July 2026. Reporting carriers scheduled 365 flights on the route in that period, about 1.0 a day, a distance of 1,086 miles.
That is 8.4 points above the national on-time share of 76.0% for the same period and 6.5 points above the 77.9% recorded for all departures from LEX. Flights that did arrive were 2.5 min late on average, and 0.8% of scheduled flights were cancelled (national: 1.8%).
2 reporting carriers flew the route at least 60 times. SkyWest Airlines had the highest on-time share at 86.4% of 294 flights; United Airlines had the lowest at 76.1% of 71.
The on-time share is up 4.7 points on the previous 12 months (79.7%); cancellations moved from 0.3% to 0.8%.
Of the delay minutes that carriers assigned to a BTS cause category on this route, air carrier 79%, national aviation system 12% and extreme weather 8%.
- On time 84.4%
- Arrived 15+ minutes late 14.5%
- Cancelled 0.8%
- Diverted 0.3%
Airlines on the route compared
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 294 | 81% | 86.4% | 1.2 min | 0.7% |
| UA United Airlines | 71 | 19% | 76.1% | 7.9 min | 1.4% |
Carriers with at least 24 flights in the 12 months to July 2026. The on-time pill is green when a carrier is at or above the route's overall share. Regional carriers operate flights sold under larger airlines' brands; BTS lists the carrier that operated the flight.
Compared with the airports and the nation
| Measure | LEX to DEN | All departures from LEX | All arrivals at DEN | All reported flights |
|---|---|---|---|---|
| Arrived on time | 84.4% | 77.9% | 78.4% | 76.0% |
| Arrived 15+ minutes late | 14.5% | 19.7% | 20.5% | 21.9% |
| Cancelled | 0.8% | 2.2% | 0.8% | 1.8% |
| Diverted | 0.3% | 0.2% | 0.3% | 0.3% |
| Average arrival delay | 2.5 min | 7.1 min | 6.2 min | 8.1 min |
| Delay minutes per 100 flights | 1,240 | 1,850 | 1,561 | 1,684 |
| Scheduled flights | 365 | 9,242 | 319,190 | 7,043,858 |
12 months to July 2026. Delay minutes count late arrivals only (an early arrival is zero), so the per-100-flights row is a normalised total rather than an average of early and late.
The return direction, DEN to LEX, recorded 71.5% on time across 365 flights in the same period.
Month by month
Year on year: on time 84.4% against 79.7% (+4.7 pts), cancelled 0.8% against 0.3%, flights 365 against 365.
By scheduled departure hour
Delay causes
Seasonality
| Calendar month | Flights | On time | Cancelled | Avg arrival delay | Years in sample |
|---|---|---|---|---|---|
| Jan | 93 | 71.0% | 3.2% | 5.1 min | 3 |
| Feb | 85 | 80.0% | 0.0% | 6.7 min | 3 |
| Mar | 93 | 87.1% | 1.1% | 5.3 min | 3 |
| Apr | 90 | 92.2% | 0.0% | -7.3 min | 3 |
| May | 93 | 76.3% | 0.0% | 2.7 min | 3 |
| Jun | 90 | 61.1% | 1.1% | 20.8 min | 3 |
| Jul | 93 | 82.8% | 1.1% | 6.8 min | 3 |
| Aug | 62 | 79.0% | 0.0% | 5.8 min | 2 |
| Sep | 62 | 95.2% | 0.0% | -13.9 min | 3 |
| Oct | 93 | 90.3% | 1.1% | -6.5 min | 3 |
| Nov | 90 | 91.1% | 0.0% | -3.9 min | 3 |
| Dec | 93 | 86.0% | 0.0% | -1.3 min | 3 |
Each calendar month summed across the 36 months on file, so most rows combine three years. The pill compares the month with the route's own 12-month share.
Other routes from Lexington (LEX)
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| LEX–ATL | Lexington to Atlanta | 2,054 | 85.7% | -6.0 min | 1.9% |
| LEX–ORD | Lexington to Chicago | 1,710 | 71.0% | 18.3 min | 3.2% |
| LEX–CLT | Lexington to Charlotte | 1,380 | 81.7% | 1.4 min | 2.0% |
| LEX–DFW | Lexington to Dallas/Fort Worth | 1,213 | 74.8% | 11.9 min | 2.5% |
| LEX–DTW | Lexington to Detroit | 788 | 82.7% | 9.2 min | 1.1% |
| LEX–PHL | Lexington to Philadelphia | 399 | 78.2% | 2.6 min | 3.5% |
| LEX–DCA | Lexington to Washington | 304 | 87.2% | -2.1 min | 1.6% |
| LEX–SFB | Lexington to Sanford | 220 | 51.8% | 42.4 min | 1.8% |
All 19 routes and the airport record for LEX · airport record for DEN
Questions and answers
How often are flights from Lexington to Denver on time?
84.4% of the 365 flights scheduled from LEX to DEN in the 12 months to July 2026 arrived less than 15 minutes after their scheduled time. The national share for the same period was 76.0%. Cancelled and diverted flights count as not on time.
Which airline has the highest on-time share from LEX to DEN?
Among reporting carriers with at least 60 flights on the route, SkyWest Airlines had the highest on-time share (86.4%), followed by United Airlines (76.1%). Differences of a point or two on a few hundred flights are small.
What causes delays between Lexington and Denver?
For flights that arrived 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 79%, national aviation system 12%, extreme weather 8%, late-arriving aircraft 0%, security 0%. The categories are the carriers' own reports to BTS; weather that slows the wider system is usually recorded under the National Aviation System rather than extreme weather.
What time of day has the highest on-time share from LEX?
Too few departure hours carry enough flights on this route to compare them.
Is it getting better?
The on-time share for the 12 months to July 2026 was 84.4%, up 4.7 points on the previous 12 months (79.7%). The monthly chart on this page shows each of the last 36 months. Across those months, September had the highest on-time share (95.2%) and June the lowest (61.1%).
Where does this data come from?
Every figure is computed from the Bureau of Transportation Statistics Reporting Carrier On-Time Performance files, which list each scheduled domestic flight by the carriers required to report. This page covers August 2023 to July 2026. It shows totals and averages only; it is not a live flight-status service.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026, a US government work in the public domain. Figures are totals and averages over all scheduled flights by reporting carriers on the route; no individual flight or aircraft is identified. Times are local to the departure airport. The load factor and passenger counts from the BTS T-100 series are not included in this edition. See the methodology; report processing errors through corrections.