Historical on-time performance
Miami to Knoxville
724 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–TYS arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 317 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time78%Medianon timep9030 minCancel0.0%Flights286
- American AirlinesOn-time35%Median20 minp90110 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline14%
- Weather0%
- Air traffic (NAS)30%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → TYS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 74% on time.
- Overnights74% on time · p90 40 min · 1,030 flights
- Afternoons68% on time · p90 60 min · 90 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 76% on time.
- Tuesdays76% on time · p90 35 min · 160 flights · limited
- Mondays75% on time · p90 55 min · 166 flights · limited
- Fridays74% on time · p90 35 min · 163 flights · limited
- Thursdays74% on time · p90 35 min · 159 flights · limited
- Saturdays70% on time · p90 50 min · 171 flights · limited
- Sundays70% on time · p90 45 min · 166 flights · limited
- Wednesdays70% on time · p90 50 min · 158 flights · limited
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