Historical on-time performance
Charlotte to Knoxville
177 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–TYS arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,140 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time94%Medianon timep9010 minCancel0.0%Flights31
- PSA AirlinesOn-time70%Medianon timep9065 minCancel2.5%Flights812
- American AirlinesOn-time71%Medianon timep9070 minCancel0.3%Flights297
Why flights run late
Delay causes
- Airline27%
- Weather7%
- Air traffic (NAS)12%
- Late aircraft54%
- 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 CLT → TYS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 15 min · 1,173 flights
- Middays83% on time · p90 25 min · 1,193 flights
- Afternoons72% on time · p90 45 min · 1,018 flights
- Overnights68% on time · p90 65 min · 1,660 flights
- Evenings67% on time · p90 65 min · 939 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Tuesdays80% on time · p90 35 min · 785 flights
- Wednesdays79% on time · p90 40 min · 860 flights
- Thursdays75% on time · p90 40 min · 889 flights
- Mondays75% on time · p90 45 min · 891 flights
- Saturdays73% on time · p90 55 min · 773 flights
- Sundays72% on time · p90 55 min · 892 flights
- Fridays72% on time · p90 50 min · 897 flights
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