OKC → IAHOklahoma City to Houston

live

Direct flights from Oklahoma City (OKC) to Houston (IAH): 7 nonstop departures observed each week across 1 airline. The median arrival is 24 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 Oklahoma City and Houston. Updated 25 October 2026 at 08:35 UTC.

Today, OKC → IAH

Sun 25 Oct · local times
  1. · UA281 On schedule IAH est. 08:08sched 08:14
  2. · UA4826 On schedule IAH 13:35scheduled
  3. · UA5531 On schedule IAH 15:19scheduled
  4. · UA5711 On schedule IAH 20:55scheduled
  5. · UA6204 On schedule IAH 16:15scheduled
  6. · UA6206 On schedule IAH 18:52scheduled
  7. · UA6258 On schedule IAH est. 06:31sched 06:39

Checked OKC board 22:18 · IAH board 03:35

OKC Oklahoma City smooth · +5
IAH Houston smooth · +4
637 km · ~1h 19m est.
dep bank 05:00–19:107x weekly
Running clean · 1 airline · 7x weekly · nonstop
91 / 100

route health from live OKC and IAH delay boards

Median arrival delay is −24 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−24 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 UA6258 05:00 daily · UA1262 07:00 daily · UA4302 09:38 We Sa · UA6219 09:38 Mo Tu Th Fr Sa Su

History

operated legs · board outcomes
10-24UA3766dep +0 → arr−19
10-24UA6232dep +9 → arr−24
10-24UA6297dep +1 → arr−33

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
OKCOklahoma City +5 min smooth 🌤 scattered clouds · SSE 3 kt Full OKC delay board →
IAHHouston +4 min smooth 🌤 scattered clouds · N 0 kt Full IAH delay board →

Weather lens

Current conditions put the pressure at OKC: 36% odds of a 15+ minute delay and around +14 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Oklahoma City to Houston route actually runs

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

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

OKC to IAH questions

Is OKC–IAH running on time right now?

Smooth skies ahead. The departure side at OKC is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on OKC–IAH?

Operators schedule morning departures around 05:00 and evening departures around 17:10 from OKC. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.

How long is the flight from OKC to IAH?

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 OKC–IAH fly?

United Airlines runs the route with about 53 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.