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

Dallas, TX (DAL) to Atlanta, GA (ATL) flight delay odds

77.5% of 3,398 official scheduled DAL-to-ATL flights arrived on time; 13.2% 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
77.5%arrived on time
13.2%30+ min late
1.9%cancelled
3,398scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+7.7 mincompleted flights

Which departure time was most reliable for DAL to ATL?

Among qualifying DAL-to-ATL departure window results, Early morning had the highest on-time rate: 87.8% of 883 flights. Evening was lowest at 64.6% across 715 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning88387.8%6.2%2.2%
Late morning70184.7%7.6%2.1%
Afternoon1,08172.7%16.8%1.7%
Evening71564.6%22.0%2.0%

Which weekday was most reliable for DAL to ATL?

Among qualifying DAL-to-ATL weekday results, Tuesday had the highest on-time rate: 81.5% of 487 flights. Saturday was lowest at 73.6% across 406 flights.

DayFlightsOn time30+ minCancelled
Monday50977.8%12.4%1.6%
Tuesday48781.5%10.7%1.0%
Wednesday47580.0%12.4%0.8%
Thursday50577.8%12.9%1.4%
Friday50777.3%15.2%2.2%
Saturday40673.6%14.8%4.2%
Sunday50973.7%14.5%2.8%

Which airline was most reliable for DAL to ATL?

Among qualifying DAL-to-ATL airline results, Delta Air Lines had the highest on-time rate: 80.2% of 1,851 flights. Southwest Airlines was lowest at 74.1% across 1,547 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,85180.2%11.8%2.1%
Southwest Airlines1,54774.1%15.0%1.7%

Which month was most reliable for DAL to ATL?

Among qualifying DAL-to-ATL month results, September 2025 had the highest on-time rate: 87.2% of 305 flights. May 2026 was lowest at 67.5% across 292 flights.

MonthFlightsOn time30+ minCancelled
July 202531576.2%15.6%1.0%
August 202531380.2%13.7%1.9%
September 202530587.2%7.5%0.3%
October 202531681.6%12.0%0.0%
November 202528376.0%14.5%2.8%
December 202527083.3%7.8%0.7%
January 202625875.6%12.0%8.1%
February 202624482.0%10.2%0.0%
March 202627476.3%12.8%3.3%
April 202626372.6%14.8%3.0%
May 202629267.5%21.2%2.4%
June 202626569.8%16.2%0.4%

What drove DAL to ATL delay minutes?

Late aircraft was the largest recorded DAL-to-ATL delay category, accounting for 43.1% of 51,002 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.5%
Late aircraft43.1%
National airspace14.2%
Weather9.2%
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.