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Showing United only (incl. its regional partners)All airlines ×
2,339 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s LAX → IAD flights land within a few points of 88% on time whatever the hour.

Best time to leave 6–7 am 96% arrive on time from LAX
Best single flight UA 2632 LAX 21:30 → IAD 05:36 · 94% on time Avoid UA 2268 LAX 08:15 → IAD 16:26 · 84% 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).

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LAX
96
82
89
86
88
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86
% 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 2632 LAX 21:30 IAD 05:36 94%
UA 1573 LAX 16:49 IAD 00:55 92%
UA 2667 LAX 10:39 IAD 18:48 90%
UA 1635 LAX 12:43 IAD 20:48 89%
UA 2282 LAX 23:30 IAD 07:33 89%
· · ·
UA 2268 LAX 08:15 IAD 16:26 84%

All 9 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 2081 LAX 06:00 IAD 14:08 5h 08m 65 97% 1.5% 42 min
UA 2268 LAX 08:15 IAD 16:26 5h 11m 170 84% 0.0% 39 min
UA 2667 LAX 10:39 IAD 18:48 5h 09m 365 90% 0.3% 55 min
UA 1635 LAX 12:43 IAD 20:48 5h 05m 347 89% 0.6% 70 min
UA 1573 LAX 16:49 IAD 00:55 5h 06m 230 92% 0.0% 63 min
UA 2632 LAX 21:30 IAD 05:36 5h 06m 190 94% 1.1% 74 min
UA 349 LAX 22:41 IAD 06:47 5h 06m 26 88% 0.0% 58 min
UA 418 LAX 23:30 IAD 07:33 5h 03m 122 93% 0.8% 28 min
UA 2282 LAX 23:30 IAD 07:33 5h 03m 298 89% 0.7% 43 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 LAX IAD 5h 03m 88% 0.6% 2,339 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