Oklahoma City to Houston (OKC-IAH): nonstop flights and who flies them

United Airlines flies nonstop between Oklahoma City (OKC) and Houston (IAH), roughly 72 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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72
Nonstop flights a week
396 mi
Nonstop distance
Free
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Oklahoma City to Houston flight schedule

Scheduled nonstop departures for OKC to IAH, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Oklahoma City (OKC) to Houston (IAH)
Date Flight Airline Departs OKC Arrives IAH Duration Aircraft
UA 4072United Airlines05:0006:291h 29mE7W
UA 1262United Airlines07:0008:291h 29m319
UA 6219United Airlines09:3811:151h 37mE7W
UA 4361United Airlines12:0113:381h 37mERJ
UA 6227United Airlines12:0213:401h 38mE7W
UA 5531United Airlines13:3815:191h 41mE7W
UA 6242United Airlines14:3816:181h 40mE7W
UA 6232United Airlines17:0518:551h 50mE7W
UA 4075United Airlines19:0820:391h 31mE7W
UA 4072United Airlines05:0006:291h 29mE7W
UA 1262United Airlines07:0008:291h 29m319
UA 6219United Airlines09:3811:151h 37mE7W
UA 4361United Airlines12:0113:381h 37mERJ
UA 6227United Airlines12:0213:401h 38mE7W
UA 5531United Airlines13:3815:191h 41mE7W
UA 6242United Airlines14:3816:181h 40mE7W
UA 6232United Airlines17:0518:551h 50mE7W
UA 4075United Airlines19:0820:391h 31mE7W
UA 4072United Airlines05:0006:291h 29mE7W
UA 1262United Airlines07:0008:291h 29m319
UA 6219United Airlines09:3811:151h 37mE7W
UA 4361United Airlines12:0113:381h 37mERJ
UA 6227United Airlines12:0213:401h 38mE7W
UA 5531United Airlines13:3815:191h 41mE7W
UA 6242United Airlines14:3816:181h 40mE7W
UA 6232United Airlines17:0518:551h 50mE7W
UA 4075United Airlines19:0820:391h 31mE7W
UA 4072United Airlines05:0006:291h 29mE7W
UA 1262United Airlines07:0008:291h 29m319
UA 6219United Airlines09:3811:151h 37mE7W
UA 6227United Airlines12:0213:401h 38mE7W
UA 5531United Airlines13:3815:191h 41mE7W
UA 6232United Airlines17:0518:551h 50mE7W
UA 4072United Airlines05:0006:291h 29mE7W
UA 1262United Airlines07:0008:291h 29m319
UA 6219United Airlines09:3811:151h 37mE7W
UA 4361United Airlines12:0113:381h 37mERJ
UA 4284United Airlines12:0213:401h 38mERJ
UA 6227United Airlines12:0213:401h 38mE7W
UA 5531United Airlines13:3815:191h 41mE7W

Showing the first 40 of 61 scheduled OKC to IAH departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every OKC to IAH date on the interactive map

The full OKC to IAH nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full OKC to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each OKC to IAH departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See OKC to IAH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Oklahoma City to Houston nonstop

Carriers operating OKC to IAH nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See OKC to IAH on the interactive map →

Frequently asked questions about OKC to IAH

How far is Houston from Oklahoma City?
OKC to IAH covers about 396 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from OKC to IAH?
United Airlines is currently the only airline flying OKC to IAH nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the OKC to IAH schedule rather than a space claim.
How many flights a week are there from OKC to IAH?
About 72 nonstop flights a week run between Oklahoma City and Houston in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from OKC to IAH depart?
Scheduled OKC to IAH nonstops in the next 7 days with service leave between 05:00 and 19:08, local time at Oklahoma City. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on OKC to IAH?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full OKC to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full OKC to IAH nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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