Historical on-time performance
St. Petersburg to Knoxville
550 miData through May 2026Source: US DOT · BTS
Flights on PIE–TYS arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 517 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Allegiant AirOn-time73%Medianon timep9055 minCancel0.4%Flights517
Why flights run late
Delay causes
- Airline24%
- Weather7%
- Air traffic (NAS)12%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 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 PIE → TYS
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 — 84% on time.
- Mornings84% on time · p90 25 min · 185 flights · limited
- Middays73% on time · p90 50 min · 503 flights
- Afternoons68% on time · p90 60 min · 262 flights
- Evenings67% on time · p90 65 min · 263 flights
- Overnights65% on time · p90 100 min · 230 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 75% on time.
- Saturdays75% on time · p90 60 min · 231 flights
- Mondays73% on time · p90 45 min · 238 flights
- Wednesdays73% on time · p90 50 min · 161 flights · limited
- Fridays71% on time · p90 50 min · 241 flights
- Thursdays69% on time · p90 50 min · 229 flights
- Tuesdays67% on time · p90 50 min · 110 flights · limited
- Sundays67% on time · p90 75 min · 233 flights
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