Route Reliability
Denver → Knoxville
DEN–TYS · 1,162 miles · Denver International Airport to McGhee Tyson Airport
- 77%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.5%
- Cancelled
- 938
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines80%126 flights
- 2.United Airlines78%729 flights
Not enough history to rank: Allegiant Air (67 flights), Southwest Airlines (16 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
DEN–TYS flights departing between 6–9 AM arrived on time 90% of the time, versus 66% between 3–6 PM.
Thursday is the weak spot.
DEN–TYS flights arrived on time 82% of the time on Tuesdays. On Thursdays: 72%.
Not much between Frontier Airlines and United Airlines.
On this route they all land within 78% to 80% on time. Pick on schedule and price.
Slipping a little lately.
DEN–TYS flights arrived on time 80% of the time over the last three months in the data, compared with 85% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon80%(134 flights)
- Tue82%(108 flights)
- Wed81%(106 flights)
- Thu72%(166 flights)
- Fri74%(126 flights)
- Sat75%(111 flights)
- Sun77%(182 flights)
- 6–9 AM90%(29 flights)
- 9 AM–12 PM85%(458 flights)
- 12–3 PM82%(54 flights)
- 3–6 PM66%(391 flights)
- 6–9 PM—(1 flights)
Jun 62% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 78 |
| July 2025 | 52% | 79 |
| August 2025 | 53% | 81 |
| September 2025 | 82% | 81 |
| October 2025 | 86% | 88 |
| November 2025 | 94% | 78 |
| December 2025 | 85% | 85 |
| January 2026 | 84% | 69 |
| February 2026 | 88% | 64 |
| March 2026 | 79% | 71 |
| April 2026 | 81% | 75 |
| May 2026 | 80% | 84 |
Keep nerding
Based on 938 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.