3,350 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 95% arrive on time from ATL

Best single flight DL 1115 ATL 10:15 → DAL 11:24 · 92% on time Avoid DL 2780 ATL 16:38 → DAL 17:55 · 79% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

ATL

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta	1,827	85%	2.1%	65 min
Southwest	1,523	78%	1.5%	58 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


DL 1115	ATL 10:15	DAL 11:24	92%
DL 441	ATL 08:12	DAL 09:24	90%
DL 512	ATL 13:59	DAL 15:03	86%
DL 1104	ATL 21:15	DAL 22:34	82%
DL 2780	ATL 16:38	DAL 17:55	79%

All 11 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Delta	ATL	DAL	2h 14m	85%	2.1%	1,827	Flying now
Southwest	ATL	DAL	2h 15m	78%	1.5%	1,523	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON