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).

IAH

% 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

Oklahoma City flights leaving IAH 2–3 pm: 1Close ×


UA 6189flown by Mesa	IAH 14:35	OKC 16:15	1h 40m	80	85%	0.0%	53 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. 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 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	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