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2,085 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 78%.

Best time to leave 6–7 am 92% arrive on time from IAD
Best single flight UA 1775 IAD 08:15 → ORD 09:36 · 84% on time Avoid UA 2497 IAD 17:42 → ORD 18:50 · 48% 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).

6
7
8
9
10
11
12
13
14
15
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17
18
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20
21
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IAD
97
93
92
87
85
73
81
84
% 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 2,085 76% 1.0% 78 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.
UA 1775 IAD 08:15 ORD 09:36 84%
UA 2331 IAD 13:15 ORD 14:29 81%
UA 1738 IAD 22:20 ORD 23:31 80%
UA 2497 IAD 17:42 ORD 18:50 48%

All 9 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 1778 IAD 06:10 ORD 07:27 2h 17m 55 96% 0.0% 24 min
UA 2070 IAD 06:10 ORD 07:27 2h 17m 37 84% 0.0% 42 min
UA 1775 IAD 08:15 ORD 09:36 2h 21m 310 84% 0.6% 40 min
UA 1252 IAD 10:31 ORD 11:53 2h 22m 125 92% 0.8% 59 min
UA 2331 IAD 13:15 ORD 14:29 2h 14m 365 81% 0.8% 109 min
UA 1393 IAD 15:39 ORD 17:02 2h 23m 37 64% 2.7% 157 min
UA 2649 IAD 15:39 ORD 17:02 2h 23m 56 66% 0.0% 95 min
UA 2497 IAD 17:42 ORD 18:50 2h 08m 365 48% 1.1% 78 min
UA 1738 IAD 22:20 ORD 23:31 2h 11m 360 80% 2.2% 90 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 IAD ORD 2h 14m 76% 1.0% 2,085 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