2,813 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s ATL → GSO flights land within a few points of 84% on time whatever the hour.

Best time to leave 8–9 am 93% arrive on time from ATL

Best single flight DL 3173 ATL 08:10 → GSO 09:29 · 96% on time Avoid DL 1604 ATL 17:52 → GSO 19:11 · 74% 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 (incl. Endeavor)	2,813	84%	2.0%	61 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 3173	ATL 08:10	GSO 09:29	96%
DL 3052	ATL 10:15	GSO 11:34	88%
DL 2539	ATL 14:30	GSO 15:50	87%
DL 3005	ATL 22:40	GSO 23:59	85%
DL 3060	ATL 12:36	GSO 13:49	84%
· · ·
DL 1617	ATL 20:57	GSO 22:19	81%
DL 1473	ATL 19:42	GSO 21:03	76%
DL 1604	ATL 17:52	GSO 19:11	74%

All 10 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	GSO	1h 16m	84%	2.0%	2,813	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