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2,792 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 9–10 am 95% arrive on time from DTW
Best single flight UA 6251 DTW 10:55 → IAH 12:57 · 87% on time Avoid F9 1957 DTW 08:52 → IAH 10:59 · 66% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DTW
88
91
87
93
86
90
88
93
86
76
80
78
79
67
70
% 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 DTW 8–9 pm: 1Close ×
DL 1633 DTW 20:25 IAH 22:24 2h 59m 364 81% 1.1% 70 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. SkyWest, Mesa) 968 85% 0.4% 62 min
Delta 1,322 80% 0.8% 57 min
Spirit 351 79% 2.0% 85 min
Frontier 151 66% 0.7% 71 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.
UA 6251flown by Mesa DTW 10:55 IAH 12:57 87%
DL 1307 DTW 12:26 IAH 14:30 86%
DL 1043 DTW 08:40 IAH 10:36 84%
DL 1633 DTW 20:25 IAH 22:24 81%
DL 1529 DTW 16:15 IAH 18:20 70%
· · ·
F9 1957 DTW 08:52 IAH 10:59 66%
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.
United DTW IAH 3h 19m 85% 0.4% 968 Flying now
Delta DTW IAH 3h 01m 80% 0.8% 1,322 Flying now
Frontier DTW IAH 3h 07m 66% 0.7% 151 Flying now
Spirit DTW IAH 3h 09m 79% 2.0% 351 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