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4,080 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 5–6 am 95% arrive on time from ATL
Best single flight DL 1324 ATL 07:43 → IAD 09:26 · 90% on time Avoid F9 3692 ATL 21:16 → IAD 23:09 · 56% 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
13
14
15
16
17
18
19
20
21
22
ATL
93
84
84
88
84
82
79
79
68
71
75
82
76
62
65
% 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.
United (incl. Mesa, Republic) 1,203 84% 0.8% 79 min
Delta 2,224 79% 2.7% 79 min
Frontier 653 64% 1.7% 84 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 1324 ATL 07:43 IAD 09:26 90%
UA 632 ATL 09:25 IAD 11:15 89%
DL 1444 ATL 09:50 IAD 11:39 88%
DL 1695 ATL 14:59 IAD 16:47 78%
UA 1831 ATL 14:41 IAD 16:35 78%
· · ·
DL 2902 ATL 16:52 IAD 18:42 71%
F9 1082 ATL 08:23 IAD 10:22 65%
F9 3692 ATL 21:16 IAD 23:09 56%

All 14 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.
UA 641 ATL 05:30 IAD 07:20 1h 50m 104 96% 1.0% 94 min
DL 1324 ATL 07:43 IAD 09:26 1h 45m 169 90% 4.1% 59 min
F9 1082 ATL 08:23 IAD 10:22 1h 59m 231 65% 2.2% 92 min
UA 632 ATL 09:25 IAD 11:15 1h 50m 302 89% 1.7% 48 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
UA 1831 ATL 14:41 IAD 16:35 1h 54m 359 78% 0.8% 103 min
F9 4410 ATL 14:55 IAD 16:52 1h 57m 93 67% 2.2% 86 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
UA 2634 ATL 19:32 IAD 21:30 1h 58m 312 77% 0.3% 67 min
F9 3692 ATL 21:16 IAD 23:09 1h 53m 181 56% 1.7% 78 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.
United ATL IAD 1h 52m 84% 0.8% 1,203 Flying now
Delta ATL IAD 1h 45m 79% 2.7% 2,224 Flying now
Frontier ATL IAD 1h 57m 64% 1.7% 653 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