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Showing Delta only (incl. its regional partners)All airlines ×
2,628 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 91% arrive on time from ORD
Best single flight DL 1264 ORD 05:30 → ATL 08:33 · 91% on time Avoid DL 2738 ORD 18:10 → ATL 21:26 · 68% 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).

5
6
7
8
9
10
11
12
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ORD
90
91
90
89
88
78
78
67
75
64
66
62
52
% 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 1264 ORD 05:30 ATL 08:33 91%
DL 1247 ORD 06:35 ATL 09:41 88%
DL 1178 ORD 09:45 ATL 12:51 87%
DL 1147 ORD 11:23 ATL 14:25 80%
DL 1477 ORD 15:22 ATL 18:36 76%
· · ·
DL 2738 ORD 18:10 ATL 21:26 68%

All 10 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 1264 ORD 05:30 ATL 08:33 2h 03m 365 91% 1.6% 84 min
DL 1247 ORD 06:35 ATL 09:41 2h 06m 365 88% 1.1% 98 min
DL 2426 ORD 08:05 ATL 11:08 2h 03m 42 85% 4.8% 71 min
DL 1516 ORD 08:10 ATL 11:08 1h 58m 31 94% 0.0% 43 min
DL 1178 ORD 09:45 ATL 12:51 2h 06m 348 87% 2.3% 51 min
DL 1147 ORD 11:23 ATL 14:25 2h 04m 359 80% 3.1% 69 min
DL 2894 ORD 13:46 ATL 16:54 2h 08m 61 72% 0.0% 80 min
DL 1477 ORD 15:22 ATL 18:36 2h 13m 295 76% 1.7% 93 min
DL 2738 ORD 18:10 ATL 21:26 2h 16m 261 68% 3.1% 96 min
DL 2740 ORD 18:22 ATL 21:38 2h 16m 48 71% 14.6% 101 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 ORD ATL 2h 06m 81% 2.5% 2,628 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