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2,604 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 4 in 5.

Best time to leave 7–8 am 90% arrive on time from IAH
Best single flight UA 6334 IAH 16:35 → OKC 18:15 · 88% on time Avoid UA 5278 IAH 18:12 → OKC 19:53 · 72% 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).

7
8
9
10
11
12
13
14
15
16
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18
19
20
21
IAH
91
89
83
87
86
86
73
77
78
86
% 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.

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. CommuteAir, SkyWest, Mesa) 2,604 84% 1.0% 74 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 6334flown by Mesa IAH 16:35 OKC 18:15 88%
UA 5709flown by SkyWest IAH 21:35 OKC 23:08 80%
UA 5278flown by SkyWest IAH 18:12 OKC 19:53 72%

All 11 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 6178flown by Mesa IAH 07:25 OKC 08:57 1h 32m 72 90% 0.0% 44 min
UA 4344flown by CommuteAir IAH 09:46 OKC 11:22 1h 36m 26 88% 3.8% 102 min
UA 4048flown by Mesa IAH 09:46 OKC 11:20 1h 34m 29 76% 0.0% 63 min
UA 6180flown by Mesa IAH 12:10 OKC 13:50 1h 40m 33 91% 0.0% 58 min
UA 4301flown by CommuteAir IAH 12:10 OKC 13:51 1h 41m 27 70% 0.0% 50 min
UA 6189flown by Mesa IAH 14:35 OKC 16:15 1h 40m 80 85% 0.0% 53 min
UA 6334flown by Mesa IAH 16:35 OKC 18:15 1h 40m 164 88% 0.6% 69 min
UA 5278flown by SkyWest IAH 18:12 OKC 19:53 1h 41m 285 72% 1.4% 90 min
UA 2304 IAH 20:12 OKC 21:47 1h 35m 72 67% 1.4% 54 min
UA 5709flown by SkyWest IAH 21:35 OKC 23:08 1h 33m 203 80% 1.5% 118 min
UA 5281flown by SkyWest IAH 21:35 OKC 23:08 1h 33m 32 84% 0.0% 37 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 OKC 1h 37m 84% 1.0% 2,604 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