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Showing United only (incl. its regional partners)All airlines ×
1,072 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

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

Best time to leave 7–8 am 88% arrive on time from SDF
Best single flight UA 6266 SDF 06:15 → IAH 07:42 · 88% on time Avoid UA 6310 SDF 15:41 → IAH 17:10 · 78% 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 6266flown by Mesa SDF 06:15 IAH 07:42 88%
UA 6326flown by Mesa SDF 09:30 IAH 10:58 87%
UA 6310flown by Mesa SDF 15:41 IAH 17:10 78%

All 3 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 6266flown by Mesa SDF 06:15 IAH 07:42 2h 27m 362 88% 1.1% 64 min
UA 6326flown by Mesa SDF 09:30 IAH 10:58 2h 28m 250 87% 1.2% 136 min
UA 6310flown by Mesa SDF 15:41 IAH 17:10 2h 29m 339 78% 0.3% 85 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 SDF IAH 2h 30m 84% 1.0% 1,072 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