DAL to ATL flight delays

DAL ATL Dallas Love to Hartsfield Jackson Atlanta · 721 miles

10,505 flights were scheduled from DAL to ATL over July 2023 through June 2026. Of the 10,334 that made the trip, 79.3% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
10,505
Arrived on time
79.3%
Cancelled
1.4%
Scheduled distance
721 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on DAL–ATL, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 81.9% 91 min 1.5% 5,506
Southwest Airlines 76.4% 57 min 1.3% 4,999

Month by month

May was the month to avoid on DAL–ATL: 70.2% of flights arrived on time, against 85% in September. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 79.3%.
Arrival on-time share, DAL to ATL, by calendar month
Month Share flights that arrived on time Flights
January 80.1% 760
February 84.3% 710
March 79.7% 829
April 75.5% 807
May 70.2% 925
June 72.8% 924
July 73.6% 998
August 82.6% 958
September 85% 927
October 83.7% 963
November 82.2% 872
December 83.1% 832

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

DAL to ATL in one number

DAL → ATL

When a flight on this route was late, it was late by about 73 min.

July 2023–June 2026 · 10,505 flights

79.3% of flights arrived on time

Questions about DAL to ATL

Which airline is most reliable from DAL to ATL?
Delta Air Lines — its flights on this pairing arrived on time 81.9% of the time, with 5,506 scheduled. Southwest Airlines came in at 76.4% over 4,999 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly DAL to ATL?
May, at 70.2% of arrivals on time, with 925 flights scheduled. September was the best of the year at 85%.
How late are DAL–ATL flights when they are late?
73 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the DAL to ATL flight cancelled?
1.4% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at ATL less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.