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2,798 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 72%.

Best time to leave 5–6 am 90% arrive on time from IAH
Best single flight DL 1389 IAH 05:20 → DTW 09:11 · 90% on time Avoid F9 1958 IAH 14:54 → DTW 18:49 · 69% 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
90
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71
% 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
Detroit flights leaving IAH 2–3 pm: 1Close ×
F9 1958 IAH 14:54 DTW 18:49 2h 55m 152 69% 1.3% 78 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.

Delta 1,322 83% 0.8% 74 min
United (incl. SkyWest, Mesa) 967 82% 0.3% 59 min
Spirit 357 77% 2.8% 80 min
Frontier 152 69% 1.3% 78 min

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.

DL 1389 IAH 05:20 DTW 09:11 90%
DL 1043 IAH 11:32 DTW 15:20 85%
UA 685 IAH 18:30 DTW 22:24 71%
F9 1958 IAH 14:54 DTW 18:49 69%
All 10 flights on this route →

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.

Delta IAH DTW 2h 48m 83% 0.8% 1,322 Flying now
United IAH DTW 2h 57m 82% 0.3% 967 Flying now
Frontier IAH DTW 2h 55m 69% 1.3% 152 Flying now
Spirit IAH DTW 2h 45m 77% 2.8% 357 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