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Showing Delta only (incl. its regional partners)All airlines ×
719 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s STT → ATL flights land within a few points of 83% on time whatever the hour.

Best time to leave 2–3 pm 93% arrive on time from STT
Best single flight DL 1883 STT 15:33 → ATL 19:30 · 82% on time Avoid DL 1823 STT 13:20 → ATL 17:18 · 81% 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).

13
14
15
16
STT
77
84
80
79
% 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.

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 1883 STT 15:33 ATL 19:30 82%
DL 1823 STT 13:20 ATL 17:18 81%

All 4 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 1823 STT 13:20 ATL 17:18 3h 58m 210 81% 1.4% 86 min
DL 1902 STT 15:01 ATL 19:09 4h 08m 60 85% 0.0% 37 min
DL 1889 STT 15:29 ATL 19:29 4h 00m 30 100% 0.0% –
DL 1883 STT 15:33 ATL 19:30 3h 57m 184 82% 2.7% 102 min

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 STT ATL 4h 00m 83% 2.2% 719 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