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

Atlanta, GA (ATL) to Knoxville, TN (TYS) flight delay odds

81.2% of 1,722 official scheduled ATL-to-TYS flights arrived on time; 11.0% arrived at least 30 minutes late and 1.9% 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 SIGNALGenerally reliable
81.2%arrived on time
11.0%30+ min late
1.9%cancelled
1,722scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.6%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+2.6 mincompleted flights

Which departure time was most reliable for ATL to TYS?

Among qualifying ATL-to-TYS departure window results, Late morning had the highest on-time rate: 87.7% of 293 flights. Evening was lowest at 74.0% across 169 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning10887.0%8.3%0.9%
Late morning29387.7%8.2%1.4%
Afternoon82079.9%10.9%1.7%
Evening16974.0%16.6%4.1%
Night33280.4%11.7%1.8%

Which weekday was most reliable for ATL to TYS?

Among qualifying ATL-to-TYS weekday results, Wednesday had the highest on-time rate: 85.3% of 231 flights. Sunday was lowest at 76.2% across 269 flights.

DayFlightsOn time30+ minCancelled
Monday27684.1%7.6%1.8%
Tuesday23783.1%10.1%0.8%
Wednesday23185.3%9.1%0.0%
Thursday27683.0%9.4%1.1%
Friday27678.3%13.4%1.1%
Saturday15777.7%10.2%5.1%
Sunday26976.2%16.4%4.1%

Which airline was most reliable for ATL to TYS?

Only Delta Air Lines met the ATL-to-TYS airline threshold: 81.2% of 1,722 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,72281.2%11.0%1.9%

Which month was most reliable for ATL to TYS?

Among qualifying ATL-to-TYS month results, October 2025 had the highest on-time rate: 88.9% of 180 flights. July 2025 was lowest at 71.5% across 158 flights.

MonthFlightsOn time30+ minCancelled
July 202515871.5%20.9%1.9%
August 202515682.1%10.9%0.6%
September 202515487.7%6.5%0.0%
October 202518088.9%6.7%0.0%
November 202515376.5%9.8%4.6%
December 202511073.6%18.2%2.7%
January 202612678.6%7.1%6.3%
February 202612181.0%9.9%0.8%
March 202611474.6%14.0%1.8%
April 202612186.8%10.7%0.8%
May 202617482.8%10.3%3.4%
June 202615585.8%9.0%0.0%

What drove ATL to TYS delay minutes?

Airline was the largest recorded ATL-to-TYS delay category, accounting for 55.7% of 16,872 BTS-attributed delay minutes during July 2025–June 2026.

Airline55.7%
Late aircraft26.4%
National airspace10.7%
Weather7.1%
Security0.0%
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.