Historical on-time performance
Dallas-Fort Worth to Knoxville
772 miData through Dec 2025Source: US DOT · BTS
Flights on DFW–TYS arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.0%of scheduled flights
based on 1,520 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- PSA AirlinesOn-time69%Medianon timep9090 minCancel2.0%Flights252
- American AirlinesOn-time65%Medianon timep9075 minCancel3.2%Flights1,268
Why flights run late
Delay causes
- Airline24%
- Weather7%
- Air traffic (NAS)11%
- Late aircraft58%
- 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 DFW → 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 54% to 80% on time.
- Mornings80% on time · p90 35 min · 545 flights
- Middays78% on time · p90 40 min · 1,134 flights
- Afternoons64% on time · p90 65 min · 1,085 flights
- Evenings61% on time · p90 115 min · 394 flights
- Overnights54% on time · p90 100 min · 1,054 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 73% on time.
- Tuesdays73% on time · p90 55 min · 589 flights
- Mondays68% on time · p90 70 min · 611 flights
- Wednesdays68% on time · p90 75 min · 595 flights
- Saturdays67% on time · p90 85 min · 602 flights
- Sundays66% on time · p90 65 min · 607 flights
- Thursdays65% on time · p90 80 min · 598 flights
- Fridays65% on time · p90 75 min · 610 flights
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