OKC → IAHOklahoma City to Houston

live

Direct flights from Oklahoma City (OKC) to Houston (IAH): 53 nonstop departures observed each week across 1 airline. 78% of the last 9 tracked flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. No cancellations were recorded across the 10 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 4 November 2026 at 21:23 UTC.

Today, OKC → IAH

Wed 4 Nov · local times
UA6204UnitedIn the air, 16 min late

Left OKC at 14:52, 16 min after its 14:36 slot.

Landing
16:04IAH board estimate · sched 16:15
Track UA6204 →
  1. 05:00 UA6258United Left 05:06 +6 Landed 06:16 −23
  2. 07:00 UA281United Left 07:19 +19 Landed 08:29 −10
  3. 09:20 UA5501United Left 09:38 +18 Landed 10:55 −6
  4. 11:54 UA6202United Left 12:04 +10 Landed 13:18 −17
  5. 13:38 UA5531United Left 13:51 +13 Landed 15:08 −11
  6. 14:36 UA6204United Left 14:52 +16 IAH est. 16:04In the air · sched 16:15
  7. 17:10 UA6206United On schedule IAH 18:52scheduled

Checked OKC board 15:18 · IAH board 15:23

OKC Oklahoma City smooth · +9
IAH Houston smooth · +0
637 km · ~1h 19m est.
dep bank 05:00–19:0953x weekly
Runs mixed · 1 airline · 53x weekly · nonstop
78% on time

of the last 9 tracked OKC → IAH flights arrived within 15 minutes

Median arrival delay is −6 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−6 minacross the last 9 arrivals
Flight time~1h 19mestimated from route distance
Weekly departures53x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 10

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 AirlinesUA78% on time

Flights UA6258 05:00 daily · UA281 varies daily · UA5501 09:20 daily · UA6202 11:54 daily

History

operated legs · board outcomes
11-04UA281dep +19 → arr−10
11-04UA5501dep +18 → arr−6
11-04UA5531dep +13 → arr−11
11-04UA6202dep +10 → arr−17
11-04UA6204departed+16
11-04UA6258dep +6 → arr−23
11-03UA281arrived−4
11-03UA5501arrived−3
11-03UA5531arrived+30
11-03UA6202arrived+29

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 +9 min smooth 🌤 few clouds · SSW 3 kt Full OKC delay board →
IAHHouston +0 min smooth 🌤 few clouds · W 5 kt Full IAH delay board →

Weather lens

Conditions are tightest at OKC: a 35% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +15 min. Both figures come from the two airports' delay records in similar weather. 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 93/100. 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.