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Showing United only (incl. its regional partners)All airlines ×
2,406 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 93% 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
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19
DCA
95
94
87
88
90
79
61
79
% 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.
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 8 United 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 1450 DCA 06:00 IAH 08:13 3h 13m 353 93% 1.1% 66 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
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

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
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