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Showing United only (incl. its regional partners)All airlines ×
1,349 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s 77%.

Best time to leave 7–8 am 96% arrive on time from IAH
Best single flight UA 1312 IAH 18:10 → TPA 21:29 · 77% on time Avoid UA 1501 IAH 12:50 → TPA 16:12 · 74% 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
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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 1312 IAH 18:10 TPA 21:29 77%
UA 1501 IAH 12:50 TPA 16:12 74%

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 1353 IAH 07:25 TPA 10:45 2h 20m 149 94% 0.0% 63 min
UA 1501 IAH 12:50 TPA 16:12 2h 22m 328 74% 0.6% 55 min
UA 2812 IAH 14:34 TPA 17:55 2h 21m 32 81% 0.0% 48 min
UA 251 IAH 14:34 TPA 17:55 2h 21m 30 73% 0.0% 89 min
UA 1312 IAH 18:10 TPA 21:29 2h 19m 308 77% 0.3% 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 IAH TPA 2h 17m 84% 0.4% 1,349 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