Historical on-time performance
Knoxville to Sanford
511 miData through Dec 2025Source: US DOT · BTS
Flights on TYS–SFB arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay80 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 650 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Allegiant AirOn-time70%Medianon timep9080 minCancel0.2%Flights650
Why flights run late
Delay causes
- Airline9%
- Weather7%
- Air traffic (NAS)20%
- Late aircraft63%
- 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 TYS → SFB
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 — 90% on time.
- Mornings90% on time · p90 10 min · 417 flights
- Middays80% on time · p90 55 min · 433 flights
- Afternoons67% on time · p90 70 min · 417 flights
- Evenings63% on time · p90 85 min · 435 flights
- Overnights59% on time · p90 125 min · 114 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 82% on time.
- Tuesdays82% on time · p90 35 min · 176 flights · limited
- Wednesdays80% on time · p90 40 min · 144 flights · limited
- Saturdays76% on time · p90 65 min · 293 flights
- Thursdays76% on time · p90 50 min · 323 flights
- Mondays75% on time · p90 60 min · 273 flights
- Fridays70% on time · p90 85 min · 274 flights
- Sundays68% on time · p90 80 min · 333 flights
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