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3,279 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 7–8 am 94% arrive on time from IAH
Best single flight UA 2311 IAH 09:47 → DCA 13:57 · 84% on time Avoid UA 1627 IAH 18:05 → DCA 22:15 · 66% 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
16
17
18
19
IAH
89
94
84
87
77
85
77
68
60
64
68
% 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 2,406 76% 0.7% 68 min
American (incl. PSA, Republic) 873 74% 5.6% 87 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 2311 IAH 09:47 DCA 13:57 84%
UA 654 IAH 11:55 DCA 16:03 75%
UA 2224 IAH 19:50 DCA 23:59 70%
UA 1627 IAH 18:05 DCA 22:15 66%

All 15 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.
AA 5247flown by PSA IAH 06:43 DCA 10:59 3h 13m 71 94% 7.0% 216 min
UA 2047 IAH 07:46 DCA 11:56 3h 10m 36 97% 0.0% 24 min
UA 2140 IAH 07:46 DCA 11:56 3h 10m 35 83% 0.0% 46 min
AA 5598flown by PSA IAH 08:52 DCA 12:59 3h 07m 35 73% 5.7% 248 min
UA 2311 IAH 09:47 DCA 13:57 3h 10m 275 84% 0.4% 54 min
UA 2670 IAH 09:47 DCA 13:57 3h 10m 32 88% 0.0% 72 min
AA 5526flown by PSA IAH 10:48 DCA 15:03 3h 15m 26 62% 11.5% 94 min
UA 654 IAH 11:55 DCA 16:03 3h 08m 301 75% 0.7% 62 min
UA 625 IAH 14:20 DCA 18:31 3h 11m 127 69% 0.8% 68 min
AA 5639flown by PSA IAH 16:46 DCA 20:59 3h 13m 36 45% 8.3% 147 min
UA 2296 IAH 16:55 DCA 21:06 3h 11m 35 61% 2.9% 88 min
UA 2332 IAH 16:55 DCA 21:06 3h 11m 35 53% 0.0% 118 min
AA 5333flown by PSA IAH 17:00 DCA 21:16 3h 16m 26 38% 19.2% 94 min
UA 1627 IAH 18:05 DCA 22:15 3h 10m 360 66% 0.6% 70 min
UA 2224 IAH 19:50 DCA 23:59 3h 09m 305 70% 0.7% 54 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 IAH DCA 3h 08m 76% 0.7% 2,406 Flying now
American IAH DCA 3h 10m 74% 5.6% 873 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