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3,277 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 7–8 am 91% arrive on time from DCA
Best single flight UA 1450 DCA 06:00 → IAH 08:13 · 93% on time Avoid UA 1785 DCA 16:59 → IAH 19:27 · 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
20
DCA
92
91
93
87
88
90
71
80
60
75
71
% 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 84% 0.8% 87 min
American (incl. PSA, Republic) 871 73% 5.5% 69 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 1450 DCA 06:00 IAH 08:13 93%
UA 697 DCA 08:20 IAH 10:41 91%
UA 382 DCA 12:59 IAH 15:18 91%
UA 2190 DCA 10:58 IAH 13:19 86%
UA 1381 DCA 14:55 IAH 17:14 78%
· · ·
UA 1785 DCA 16:59 IAH 19:27 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 5074flown by PSA DCA 06:00 IAH 08:22 3h 22m 34 81% 2.9% 114 min
UA 1450 DCA 06:00 IAH 08:13 3h 13m 353 93% 1.1% 66 min
AA 5467flown by PSA DCA 07:59 IAH 10:18 3h 19m 24 70% 4.2% 61 min
UA 697 DCA 08:20 IAH 10:41 3h 21m 341 91% 1.2% 72 min
UA 2190 DCA 10:58 IAH 13:19 3h 21m 168 86% 0.6% 69 min
UA 382 DCA 12:59 IAH 15:18 3h 19m 345 91% 0.3% 114 min
AA 5639flown by PSA DCA 13:44 IAH 16:12 3h 28m 36 71% 2.8% 83 min
AA 5333flown by PSA DCA 13:59 IAH 16:22 3h 23m 26 57% 15.4% 70 min
UA 1381 DCA 14:55 IAH 17:14 3h 19m 303 78% 0.3% 77 min
UA 1785 DCA 16:59 IAH 19:27 3h 28m 292 66% 0.7% 96 min
UA 1678 DCA 19:28 IAH 21:59 3h 31m 107 73% 0.9% 123 min
UA 445 DCA 19:28 IAH 21:59 3h 31m 21 67% 0.0% 159 min
AA 5222flown by PSA DCA 19:56 IAH 22:14 3h 18m 26 36% 7.7% 113 min
AA 5461flown by PSA DCA 20:13 IAH 22:39 3h 26m 12 80% 16.7% 56 min
AA 5215flown by PSA DCA 20:13 IAH 22:39 3h 26m 24 42% 16.7% 81 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 DCA IAH 3h 22m 84% 0.8% 2,406 Flying now
American DCA IAH 3h 37m 73% 5.5% 871 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