Historical on-time performance
Knoxville to Detroit
443 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline38%
- Weather38%
- Air traffic (NAS)25%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 16 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 → DTW
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 — 94% on time.
- Mornings94% on time · p90 on time · 580 flights
- Middays89% on time · p90 15 min · 281 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 89% to 94% on time.
- Saturdays94% on time · p90 on time · 121 flights · limited
- Wednesdays94% on time · p90 5 min · 121 flights · limited
- Thursdays93% on time · p90 5 min · 124 flights · limited
- Mondays92% on time · p90 on time · 126 flights · limited
- Sundays92% on time · p90 on time · 124 flights · limited
- Tuesdays92% on time · p90 on time · 121 flights · limited
- Fridays89% on time · p90 10 min · 124 flights · limited
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