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

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

85.8% of 1,724 official scheduled TYS-to-ATL flights arrived on time; 8.6% 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
85.8%arrived on time
8.6%30+ min late
1.9%cancelled
1,724scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.8%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-5.4 mincompleted flights

Which departure time was most reliable for TYS to ATL?

Among qualifying TYS-to-ATL departure window results, Early morning had the highest on-time rate: 91.1% of 350 flights. Evening was lowest at 77.9% across 467 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35091.1%5.4%1.7%
Late morning25990.3%4.2%1.2%
Afternoon64886.9%8.6%1.5%
Evening46777.9%13.3%2.8%

Which weekday was most reliable for TYS to ATL?

Among qualifying TYS-to-ATL weekday results, Wednesday had the highest on-time rate: 90.5% of 231 flights. Sunday was lowest at 78.7% across 268 flights.

DayFlightsOn time30+ minCancelled
Monday27688.4%6.5%1.8%
Tuesday23787.8%8.9%1.3%
Wednesday23190.5%6.1%0.0%
Thursday27687.7%7.2%0.7%
Friday27883.8%11.2%1.8%
Saturday15884.2%7.6%3.2%
Sunday26878.7%11.9%4.5%

Which airline was most reliable for TYS to ATL?

Only Delta Air Lines met the TYS-to-ATL airline threshold: 85.9% of 1,723 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,72385.9%8.5%1.9%
Frontier Airlines10.0%100.0%0.0%

Which month was most reliable for TYS to ATL?

Among qualifying TYS-to-ATL month results, October 2025 had the highest on-time rate: 92.8% of 181 flights. July 2025 was lowest at 73.4% across 158 flights.

MonthFlightsOn time30+ minCancelled
July 202515873.4%23.4%1.3%
August 202515684.6%8.3%1.3%
September 202515490.9%5.2%0.0%
October 202518192.8%3.3%0.0%
November 202515284.2%7.9%3.9%
December 202511377.9%12.4%2.7%
January 202612584.8%4.0%7.2%
February 202612189.3%8.3%0.8%
March 202611480.7%12.3%1.8%
April 202612190.1%6.6%0.8%
May 202617486.2%7.5%3.4%
June 202615592.3%5.2%0.0%

What drove TYS to ATL delay minutes?

Late aircraft was the largest recorded TYS-to-ATL delay category, accounting for 52.4% of 16,333 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.6%
Late aircraft52.4%
National airspace18.4%
Weather0.7%
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.