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1,073 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 84% on time.

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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SDF
90
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78
% 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
Houston flights leaving SDF 9–10 am: 1Close ×
UA 6326flown by Mesa SDF 09:30 IAH 10:58 2h 28m 250 87% 1.2% 136 min

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 (incl. Mesa, Republic) 1,072 84% 1.0% 92 min
American 1 – 0.0% 70 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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%

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
American SDF IAH – 0%few flights 0.0% 1 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