BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
TYS→SFB

Knoxville, TN (TYS) to Sanford, FL (SFB) flight delay odds

69.2% of 639 official scheduled TYS-to-SFB flights arrived on time; 21.8% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.2%arrived on time
21.8%30+ min late
0.6%cancelled
639scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.5%all scheduled flights
120+ minutes late5.0%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+18.6 mincompleted flights

Which departure time was most reliable for TYS to SFB?

Among qualifying TYS-to-SFB departure window results, Early morning had the highest on-time rate: 90.6% of 96 flights. Night was lowest at 41.2% across 51 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning9690.6%3.1%1.0%
Late morning6882.4%13.2%0.0%
Afternoon26267.2%24.4%0.4%
Evening16263.0%24.7%0.6%
Night5141.2%45.1%2.0%

Which weekday was most reliable for TYS to SFB?

Among qualifying TYS-to-SFB weekday results, Wednesday had the highest on-time rate: 89.1% of 46 flights. Sunday was lowest at 52.7% across 112 flights.

DayFlightsOn time30+ minCancelled
Monday10669.8%21.7%0.9%
Tuesday6178.7%14.8%0.0%
Wednesday4689.1%6.5%0.0%
Thursday10678.3%13.2%0.0%
Friday10664.2%27.4%0.0%
Saturday10267.6%20.6%2.0%
Sunday11252.7%35.7%0.9%

Which airline was most reliable for TYS to SFB?

Only Allegiant Air met the TYS-to-SFB airline threshold: 69.2% of 639 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Allegiant Air63969.2%21.8%0.6%

Which month was most reliable for TYS to SFB?

Among qualifying TYS-to-SFB month results, September 2025 had the highest on-time rate: 89.4% of 47 flights. July 2025 was lowest at 49.1% across 53 flights.

MonthFlightsOn time30+ minCancelled
July 20255349.1%41.5%0.0%
August 20255265.4%25.0%0.0%
September 20254789.4%4.3%0.0%
October 20255768.4%24.6%0.0%
November 20256075.0%18.3%0.0%
December 20256774.6%20.9%0.0%
January 20265354.7%24.5%5.7%
February 20264783.0%8.5%0.0%
March 20265976.3%11.9%1.7%
April 20264486.4%13.6%0.0%
May 20264959.2%28.6%0.0%
June 20265151.0%37.3%0.0%

What drove TYS to SFB delay minutes?

Late aircraft was the largest recorded TYS-to-SFB delay category, accounting for 60.9% of 15,425 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.1%
Late aircraft60.9%
National airspace10.4%
Weather10.4%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.