BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→TYS

Denver, CO (DEN) to Knoxville, TN (TYS) flight delay odds

77.6% of 967 official scheduled DEN-to-TYS flights arrived on time; 15.2% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.6%arrived on time
15.2%30+ min late
0.5%cancelled
967scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.7%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+6.3 mincompleted flights

Which departure time was most reliable for DEN to TYS?

Among qualifying DEN-to-TYS departure window results, Late morning had the highest on-time rate: 83.2% of 459 flights. Evening was lowest at 68.9% across 379 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning45983.2%9.4%0.4%
Afternoon10081.0%17.0%0.0%
Evening37968.9%22.7%0.8%

Which weekday was most reliable for DEN to TYS?

Among qualifying DEN-to-TYS weekday results, Tuesday had the highest on-time rate: 84.2% of 114 flights. Saturday was lowest at 71.4% across 119 flights.

DayFlightsOn time30+ minCancelled
Monday14378.3%14.7%0.0%
Tuesday11484.2%8.8%0.0%
Wednesday11283.0%9.8%0.0%
Thursday16773.1%19.2%0.6%
Friday13475.4%17.9%0.0%
Saturday11971.4%20.2%3.4%
Sunday17879.2%14.0%0.0%

Which airline was most reliable for DEN to TYS?

Among qualifying DEN-to-TYS airline results, United Airlines had the highest on-time rate: 81.0% of 336 flights. Allegiant Air was lowest at 69.7% across 66 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines39375.3%16.8%1.0%
United Airlines33681.0%11.6%0.0%
Frontier Airlines12980.6%15.5%0.0%
Allegiant Air6669.7%21.2%1.5%
Southwest Airlines4374.4%18.6%0.0%

Which month was most reliable for DEN to TYS?

Among qualifying DEN-to-TYS month results, November 2025 had the highest on-time rate: 93.6% of 78 flights. July 2025 was lowest at 51.2% across 80 flights.

MonthFlightsOn time30+ minCancelled
July 20258051.2%38.8%1.2%
August 20258153.1%27.2%0.0%
September 20258181.5%12.3%0.0%
October 20258884.1%10.2%0.0%
November 20257893.6%3.8%0.0%
December 20258584.7%10.6%0.0%
January 20267379.5%8.2%5.5%
February 20266485.9%7.8%0.0%
March 20267178.9%12.7%0.0%
April 20267581.3%14.7%0.0%
May 20268479.8%15.5%0.0%
June 202610778.5%17.8%0.0%

What drove DEN to TYS delay minutes?

Late aircraft was the largest recorded DEN-to-TYS delay category, accounting for 37.3% of 14,380 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.6%
Late aircraft37.3%
National airspace21.7%
Weather4.3%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.