IAH → OKCHouston to Oklahoma City

live

Direct flights from Houston (IAH) to Oklahoma City (OKC): 7 nonstop departures observed each week across 1 airline. The median arrival is 15 minutes early. No cancellations were recorded across the 3 tracked flights. The nonstop covers 637 km, an estimated 1 hour 19 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Oklahoma City. Updated 12 September 2026 at 20:54 UTC.

IAH Houston smooth · +0
OKC Oklahoma City smooth · +0
637 km · ~1h 19m est.
dep bank 07:20–21:427x weekly
Running clean · 1 airline · 7x weekly · nonstop
100 / 100

route health from live IAH and OKC delay boards

Median arrival delay is −15 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 3 operated legs
Flight time~1h 19mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
United AirlinesUA

Flights UA6145 07:20 Mo Tu Fr Sa Su · UA6149 09:47 Mo Tu We Th Fr Su · UA6164 12:15 Mo Tu We Th Fr Su · UA6158 14:35 daily

History

operated legs · board outcomes
09-12UA4278dep −10 → arr−22
09-12UA6145dep −2 → arr−15
09-12UA6158dep +5 → arr−9

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IAHHouston +0 min smooth 🌤 few clouds · S 7 kt Full IAH delay board →
OKCOklahoma City +0 min smooth 🌤 scattered clouds · SSW 10 kt Full OKC delay board →

Weather lens

Current conditions put the pressure at OKC: 37% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to Oklahoma City route actually runs

Pro Flight Search records official board updates for nonstop IAH to OKC flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Houston (IAH) to Oklahoma City (OKC) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAH-OKC
How we measure this →

IAH to OKC questions

Is IAH–OKC running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–OKC?

Operators schedule morning departures around 07:20 and evening departures around 18:20 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the OKC delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to OKC?

Great-circle distance is 637 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 75–85 min gate-to-gate on this route.

How often does IAH–OKC fly?

United Airlines runs the route with about 55 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.