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5,216 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 83%.

Best time to leave 6–7 am 96% arrive on time from LAX
Best single flight UA 654 LAX 05:45 → IAH 11:12 · 96% on time Avoid F9 1756 LAX 10:06 → IAH 15:35 · 70% 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).

5
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LAX
96
96
96
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88
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91
77
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76
88
81
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88
% 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 3,438 88% 0.2% 54 min
Delta 646 86% 1.1% 73 min
American (incl. SkyWest) 408 83% 0.5% 74 min
Spirit 392 76% 1.3% 76 min
Frontier 332 70% 1.5% 75 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 654 LAX 05:45 IAH 11:12 96%
UA 491 LAX 00:51 IAH 06:12 92%
UA 1416 LAX 08:10 IAH 13:40 91%
UA 1680 LAX 19:21 IAH 00:50 87%
UA 2377 LAX 15:20 IAH 20:49 87%
· · ·
UA 2403 LAX 17:45 IAH 23:14 82%
UA 1591 LAX 13:10 IAH 18:39 73%
F9 1756 LAX 10:06 IAH 15:35 70%
All 15 flights on this route →

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 IAH 3h 21m 88% 0.2% 3,438 Flying now
Delta LAX IAH 3h 25m 86% 1.1% 646 Flying now
American LAX IAH 3h 25m 83% 0.5% 408 Flying now
Frontier LAX IAH 3h 30m 70% 1.5% 332 Flying now
Spirit LAX IAH 3h 19m 76% 1.3% 392 Not 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