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Showing United only (incl. its regional partners)All airlines ×
1,169 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s IAH → SLC flights land within a few points of 84% on time whatever the hour.

Best time to leave 12–1 pm 87% arrive on time from IAH
Best single flight UA 2242 IAH 09:45 → SLC 11:59 · 86% on time Avoid UA 2157 IAH 20:25 → SLC 22:43 · 79% 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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% 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 2242 IAH 09:45 SLC 11:59 86%
UA 2157 IAH 20:25 SLC 22:43 79%

All 5 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 2242 IAH 09:45 SLC 11:59 3h 14m 308 86% 0.6% 51 min
UA 756 IAH 09:45 SLC 11:59 3h 14m 21 81% 0.0% 42 min
UA 6207flown by Mesa IAH 14:25 SLC 16:40 3h 15m 40 80% 0.0% 36 min
UA 4006flown by Mesa IAH 14:25 SLC 16:40 3h 15m 21 86% 0.0% 24 min
UA 2157 IAH 20:25 SLC 22:43 3h 18m 344 79% 0.9% 64 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 SLC 3h 25m 84% 0.5% 1,169 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