Historical on-time performance
Knoxville to Denver
1,162 miData through May 2026Source: US DOT · BTS
Flights on TYS–DEN arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 672 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time91%Medianon timep9010 minCancel1.3%Flights396
- United AirlinesOn-time76%Medianon timep9065 minCancel0.0%Flights276
Why flights run late
Delay causes
- Airline34%
- Weather12%
- Air traffic (NAS)52%
- Late aircraft3%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather80%
- Air traffic (NAS)20%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TYS → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 1,234 flights
- Afternoons80% on time · p90 45 min · 1,255 flights
- Overnights76% on time · p90 50 min · 143 flights · limited
- Evenings57% on time · p90 95 min · 113 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 86% on time.
- Fridays86% on time · p90 30 min · 408 flights
- Wednesdays85% on time · p90 25 min · 373 flights
- Tuesdays85% on time · p90 25 min · 319 flights
- Sundays83% on time · p90 35 min · 483 flights
- Saturdays83% on time · p90 30 min · 358 flights
- Thursdays83% on time · p90 30 min · 470 flights
- Mondays82% on time · p90 35 min · 413 flights
Keep exploring