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

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

63.5% of 639 official scheduled SFB-to-TYS flights arrived on time; 23.9% 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
63.5%arrived on time
23.9%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 late14.4%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+23.2 mincompleted flights

Which departure time was most reliable for SFB to TYS?

Among qualifying SFB-to-TYS departure window results, Early morning had the highest on-time rate: 84.1% of 63 flights. Evening was lowest at 56.1% across 196 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning6384.1%9.5%1.6%
Late morning9382.8%8.6%1.1%
Afternoon23757.0%24.9%0.8%
Evening19656.1%32.7%0.0%
Night5062.0%32.0%0.0%

Which weekday was most reliable for SFB to TYS?

Among qualifying SFB-to-TYS weekday results, Thursday had the highest on-time rate: 73.6% of 106 flights. Sunday was lowest at 52.7% across 112 flights.

DayFlightsOn time30+ minCancelled
Monday10664.2%25.5%0.9%
Tuesday6172.1%9.8%0.0%
Wednesday4669.6%8.7%0.0%
Thursday10673.6%13.2%0.0%
Friday10657.5%30.2%0.0%
Saturday10262.7%25.5%2.0%
Sunday11252.7%39.3%0.9%

Which airline was most reliable for SFB to TYS?

Only Allegiant Air met the SFB-to-TYS airline threshold: 63.5% of 639 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Allegiant Air63963.5%23.9%0.6%

Which month was most reliable for SFB to TYS?

Among qualifying SFB-to-TYS month results, September 2025 had the highest on-time rate: 89.4% of 47 flights. July 2025 was lowest at 43.4% across 53 flights.

MonthFlightsOn time30+ minCancelled
July 20255343.4%43.4%0.0%
August 20255257.7%25.0%0.0%
September 20254789.4%4.3%0.0%
October 20255766.7%22.8%0.0%
November 20256065.0%23.3%0.0%
December 20256764.2%25.4%0.0%
January 20265360.4%26.4%5.7%
February 20264774.5%10.6%0.0%
March 20265964.4%20.3%1.7%
April 20264484.1%9.1%0.0%
May 20264953.1%36.7%0.0%
June 20265145.1%35.3%0.0%

What drove SFB to TYS delay minutes?

Late aircraft was the largest recorded SFB-to-TYS delay category, accounting for 38.4% of 17,503 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.9%
Late aircraft38.4%
National airspace11.3%
Weather26.3%
Security0.1%
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.