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Showing Delta only (incl. its regional partners)All airlines ×
2,357 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 4 in 5.

Best time to leave 1–2 pm 94% arrive on time from ATL
Best single flight DL 1571 ATL 07:43 → STL 08:19 · 92% on time Avoid DL 2833 ATL 21:33 → STL 22:15 · 76% 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).

7
8
9
10
11
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13
14
15
16
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18
19
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ATL
95
92
90
84
89
93
86
90
80
77
66
75
82
89
80
% 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 1571 ATL 07:43 STL 08:19 92%
DL 2700 ATL 14:09 STL 14:48 90%
DL 1485 ATL 13:40 STL 14:18 88%
DL 1400 ATL 09:04 STL 09:43 87%
DL 1403 ATL 23:10 STL 23:53 83%
· · ·
DL 1393 ATL 17:13 STL 17:56 79%
DL 2833 ATL 21:33 STL 22:15 76%

All 9 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 1571 ATL 07:43 STL 08:19 1h 36m 315 92% 2.9% 49 min
DL 1400 ATL 09:04 STL 09:43 1h 42m 208 87% 1.9% 63 min
DL 566 ATL 11:52 STL 12:34 1h 38m 71 83% 1.4% 31 min
DL 1485 ATL 13:40 STL 14:18 1h 38m 270 88% 1.5% 51 min
DL 2700 ATL 14:09 STL 14:48 1h 41m 155 90% 1.3% 48 min
DL 543 ATL 16:05 STL 16:48 1h 43m 37 81% 2.7% 53 min
DL 1393 ATL 17:13 STL 17:56 1h 44m 290 79% 3.8% 74 min
DL 2833 ATL 21:33 STL 22:15 1h 45m 254 76% 1.6% 57 min
DL 1403 ATL 23:10 STL 23:53 1h 46m 330 83% 1.8% 52 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 ATL STL 1h 42m 85% 2.0% 2,357 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