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

Chattanooga, TN (CHA) to Atlanta, GA (ATL) flight delay odds

85.6% of 1,336 official scheduled CHA-to-ATL flights arrived on time; 8.8% arrived at least 30 minutes late and 2.2% 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
85.6%arrived on time
8.8%30+ min late
2.2%cancelled
1,336scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-1.5 mincompleted flights

Which departure time was most reliable for CHA to ATL?

Among qualifying CHA-to-ATL departure window results, Early morning had the highest on-time rate: 90.9% of 529 flights. Afternoon was lowest at 79.0% across 352 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning52990.9%5.1%2.1%
Late morning17788.7%5.1%4.0%
Afternoon35279.0%14.2%1.1%
Evening27881.7%11.5%2.5%

Which weekday was most reliable for CHA to ATL?

Among qualifying CHA-to-ATL weekday results, Wednesday had the highest on-time rate: 93.6% of 187 flights. Sunday was lowest at 78.5% across 195 flights.

DayFlightsOn time30+ minCancelled
Monday19784.8%10.7%1.0%
Tuesday19885.4%9.6%0.5%
Wednesday18793.6%3.2%0.0%
Thursday19489.2%8.2%1.0%
Friday19785.3%10.2%2.0%
Saturday16882.1%6.0%7.1%
Sunday19578.5%13.3%4.1%

Which airline was most reliable for CHA to ATL?

Only Delta Air Lines met the CHA-to-ATL airline threshold: 85.9% of 1,315 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,31585.9%8.7%2.1%
SkyWest Airlines2166.7%19.0%4.8%

Which month was most reliable for CHA to ATL?

Among qualifying CHA-to-ATL month results, February 2026 had the highest on-time rate: 93.4% of 61 flights. March 2026 was lowest at 80.2% across 81 flights.

MonthFlightsOn time30+ minCancelled
July 202515983.0%11.9%1.9%
August 202511381.4%13.3%1.8%
September 202513791.2%4.4%0.0%
October 202514390.2%5.6%0.0%
November 202511786.3%8.5%0.9%
December 20257784.4%9.1%1.3%
January 20268380.7%4.8%10.8%
February 20266193.4%3.3%3.3%
March 20268180.2%12.3%6.2%
April 20269885.7%9.2%1.0%
May 202612085.0%10.0%2.5%
June 202614784.4%10.9%1.4%

What drove CHA to ATL delay minutes?

Airline was the largest recorded CHA-to-ATL delay category, accounting for 46.4% of 15,010 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.4%
Late aircraft36.9%
National airspace9.8%
Weather6.8%
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.