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5,220 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 3 in 4.

Best time to leave 6–7 am 97% arrive on time from IAH
Best single flight DL 1216 IAH 07:10 → LAX 08:39 · 94% on time Avoid F9 1755 IAH 16:02 → LAX 17:30 · 75% 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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IAH
90
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89
77
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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Delta 646 89% 1.1% 77 min
United 3,439 85% 0.3% 58 min
Spirit 394 82% 1.3% 72 min
American (incl. SkyWest) 409 81% 0.5% 80 min
Frontier 332 75% 0.9% 63 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.

DL 1216 IAH 07:10 LAX 08:39 94%
UA 2600 IAH 07:20 LAX 08:57 91%
UA 469 IAH 09:53 LAX 11:30 89%
UA 1945 IAH 14:54 LAX 16:27 89%
UA 2460 IAH 12:33 LAX 14:06 87%
· · ·
UA 2658 IAH 18:38 LAX 20:15 82%
UA 2095 IAH 20:15 LAX 21:54 76%
F9 1755 IAH 16:02 LAX 17:30 75%
All 18 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.

Delta IAH LAX 3h 41m 89% 1.1% 646 Flying now
United IAH LAX 3h 37m 85% 0.3% 3,439 Flying now
American IAH LAX 3h 46m 81% 0.5% 409 Flying now
Frontier IAH LAX 3h 36m 75% 0.9% 332 Flying now
Spirit IAH LAX 3h 41m 82% 1.3% 394 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