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Showing Delta only (incl. its regional partners)All airlines ×
2,224 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 94% arrive on time from ATL
Best single flight DL 1324 ATL 07:43 → IAD 09:26 · 90% on time Avoid DL 2902 ATL 16:52 → IAD 18:42 · 71% 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
12
13
14
15
16
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ATL
84
93
86
85
82
80
82
70
74
75
76
75
87
74
% 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 1324 ATL 07:43 IAD 09:26 90%
DL 1444 ATL 09:50 IAD 11:39 88%
DL 1695 ATL 14:59 IAD 16:47 78%
DL 1309 ATL 19:15 IAD 21:03 76%
DL 2549 ATL 22:53 IAD 00:44 75%
· · ·
DL 2902 ATL 16:52 IAD 18:42 71%

All 7 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 1324 ATL 07:43 IAD 09:26 1h 45m 169 90% 4.1% 59 min
DL 1444 ATL 09:50 IAD 11:39 1h 48m 224 88% 4.0% 73 min
DL 2135 ATL 12:17 IAD 14:02 1h 45m 114 85% 0.0% 80 min
DL 1695 ATL 14:59 IAD 16:47 1h 48m 351 78% 2.3% 69 min
DL 2902 ATL 16:52 IAD 18:42 1h 50m 201 71% 5.5% 62 min
DL 1309 ATL 19:15 IAD 21:03 1h 49m 278 76% 2.5% 73 min
DL 2549 ATL 22:53 IAD 00:44 1h 51m 329 75% 2.1% 98 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 IAD 1h 45m 79% 2.7% 2,224 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