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

No clear winner: United’s IAH → ASE flights land within a few points of 3 in 4 on time whatever the hour.

Best time to leave 6–7 pm 88% arrive on time from IAH
Best single flight UA 5917 IAH 16:55 → ASE 18:45 · 80% on time Avoid UA 5814 IAH 09:50 → ASE 11:40 · 72% 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
78
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77
61
84
% 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 5917flown by SkyWest IAH 16:55 ASE 18:45 80%
UA 5814flown by SkyWest IAH 09:50 ASE 11:40 72%

All 2 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 5814flown by SkyWest IAH 09:50 ASE 11:40 2h 50m 245 72% 0.8% 79 min
UA 5917flown by SkyWest IAH 16:55 ASE 18:45 2h 50m 188 80% 5.3% 107 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 IAH ASE 3h 17m 75% 2.7% 624 Flying now

Alternatives with one stop

All connections →
UnitedDetails → IAH 05:15 → DEN 06:47UA 1874 58m Denver DEN 07:45 → ASE 08:46UA 5444 · flown by SkyWest 4h 31m 96% 80%
UnitedDetails → IAH 07:20 → DEN 08:52UA 1575 58m Denver DEN 09:50 → ASE 10:51UA 5782 · flown by SkyWest 4h 31m 76% 59%
UnitedDetails → IAH 12:33 → DEN 14:17UA 2168 50m Denver DEN 15:07 → ASE 16:08UA 5773 · flown by SkyWest 4h 35m 81% 59%
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