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3,432 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 4 in 5.

Best time to leave 6–7 am 95% arrive on time from LAS
Best single flight UA 2608 LAS 06:00 → IAH 11:11 · 95% on time Avoid F9 1490 LAS 07:00 → IAH 12:22 · 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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LAS
95
91
93
89
91
79
87
84
72
79
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84
83
% 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 2,594 86% 0.4% 77 min
Frontier 368 79% 2.2% 64 min
Spirit 470 79% 2.8% 103 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 2608 LAS 06:00 IAH 11:11 95%
UA 1711 LAS 10:25 IAH 15:40 91%
UA 1181 LAS 08:00 IAH 13:07 90%
UA 2492 LAS 12:14 IAH 17:25 84%
F9 1490 LAS 07:00 IAH 12:22 84%

All 10 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 2753 LAS 00:59 IAH 05:59 3h 00m 35 94% 0.0% 40 min
UA 2840 LAS 00:59 IAH 05:59 3h 00m 36 78% 0.0% 61 min
UA 2608 LAS 06:00 IAH 11:11 3h 11m 263 95% 1.1% 34 min
F9 1490 LAS 07:00 IAH 12:22 3h 22m 219 84% 1.8% 46 min
UA 1181 LAS 08:00 IAH 13:07 3h 07m 270 90% 0.4% 103 min
UA 1711 LAS 10:25 IAH 15:40 3h 15m 287 91% 0.0% 126 min
UA 2492 LAS 12:14 IAH 17:25 3h 11m 262 84% 0.4% 75 min
F9 1966 LAS 14:28 IAH 19:58 3h 30m 143 72% 2.8% 81 min
UA 2741 LAS 15:40 IAH 20:55 3h 15m 145 74% 0.0% 77 min
UA 2449 LAS 16:43 IAH 21:57 3h 14m 104 78% 1.9% 63 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 LAS IAH 3h 05m 86% 0.4% 2,594 Flying now
Frontier LAS IAH 3h 30m 79% 2.2% 368 Flying now
Spirit LAS IAH 2h 59m 79% 2.8% 470 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