--- title: "Houston to Oklahoma City flights: who flies IAH-OKC" description: "United Airlines flies Houston (IAH) to Oklahoma City (OKC) nonstop about 78 times a week, scheduled at 1h 28m to 1h 40m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-okc" url: "https://2lnr.com/routes/iah-okc.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Oklahoma City (IAH-OKC): nonstop flights and who flies them United Airlines flies nonstop between Houston (IAH) and Oklahoma City (OKC), roughly 78 times a week. The timetable below shows the nonstop scheduled at 1h 28m to 1h 40m for the 396 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See IAH to OKC on the interactive map [Get started free](https://2lnr.com/login) 78 Flights a week, 4-week average 1h 28m to 1h 40m Scheduled flight time 396 mi Nonstop distance Free To get started ## Houston to Oklahoma City flight schedule Scheduled nonstop departures for IAH to OKC starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Houston (IAH) to Oklahoma City (OKC) | Date | Flight | Airline | Departs IAH | Arrives OKC | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 6145 | United Airlines | 07:20 | 08:51 | 1h 31m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Thu, Oct 22 | UA 5619 | United Airlines | 09:32 | 11:07 | 1h 35m | Embraer E175 | | Thu, Oct 22 | UA 6164 | United Airlines | 12:20 | 13:56 | 1h 36m | Embraer E175 | | Thu, Oct 22 | UA 6158 | United Airlines | 14:35 | 16:07 | 1h 32m | Embraer E175 | | Thu, Oct 22 | UA 6334 | United Airlines | 16:35 | 18:10 | 1h 35m | Embraer E175 | | Thu, Oct 22 | UA 5278 | United Airlines | 17:53 | 19:29 | 1h 36m | Embraer E175 | | Thu, Oct 22 | UA 1084 | United Airlines | 20:05 | 21:40 | 1h 35m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Thu, Oct 22 | UA 6161 | United Airlines | 21:45 | 23:15 | 1h 30m | Embraer E175 | | Fri, Oct 23 | UA 6145 | United Airlines | 07:20 | 08:51 | 1h 31m | Embraer E175 | | Fri, Oct 23 | UA 5619 | United Airlines | 09:32 | 11:07 | 1h 35m | Embraer E175 | | Fri, Oct 23 | UA 6164 | United Airlines | 12:20 | 13:56 | 1h 36m | Embraer E175 | | Fri, Oct 23 | UA 6158 | United Airlines | 14:35 | 16:07 | 1h 32m | Embraer E175 | | Fri, Oct 23 | UA 6334 | United Airlines | 16:35 | 18:10 | 1h 35m | Embraer E175 | | Fri, Oct 23 | UA 5278 | United Airlines | 17:53 | 19:29 | 1h 36m | Embraer E175 | | Fri, Oct 23 | UA 1084 | United Airlines | 20:05 | 21:40 | 1h 35m | Airbus A319 | | Fri, Oct 23 | UA 6161 | United Airlines | 21:45 | 23:15 | 1h 30m | Embraer E175 | | Sat, Oct 24 | UA 6145 | United Airlines | 07:20 | 08:51 | 1h 31m | Embraer E175 | | Sat, Oct 24 | UA 5619 | United Airlines | 09:42 | 11:16 | 1h 34m | Embraer E175 | | Sat, Oct 24 | UA 6164 | United Airlines | 12:20 | 13:56 | 1h 36m | Embraer E175 | | Sat, Oct 24 | UA 6158 | United Airlines | 14:35 | 16:07 | 1h 32m | Embraer E175 | | Sat, Oct 24 | UA 6334 | United Airlines | 16:35 | 18:10 | 1h 35m | Embraer E175 | | Sat, Oct 24 | UA 5278 | United Airlines | 17:53 | 19:29 | 1h 36m | Embraer E175 | | Sat, Oct 24 | UA 1084 | United Airlines | 20:05 | 21:40 | 1h 35m | Airbus A319 | | Sun, Oct 25 | UA 4795 | United Airlines | 07:20 | 08:48 | 1h 28m | Embraer E175 | | Sun, Oct 25 | UA 4835 | United Airlines | 09:32 | 11:09 | 1h 37m | ERJ | | Sun, Oct 25 | UA 5619 | United Airlines | 09:54 | 11:31 | 1h 37m | Embraer E175 | | Sun, Oct 25 | UA 6159 | United Airlines | 12:15 | 13:54 | 1h 39m | Embraer E175 | | Sun, Oct 25 | UA 5316 | United Airlines | 12:35 | 14:08 | 1h 33m | Embraer E175 | | Sun, Oct 25 | UA 6158 | United Airlines | 14:35 | 16:07 | 1h 32m | Embraer E175 | | Sun, Oct 25 | UA 5450 | United Airlines | 14:38 | 16:09 | 1h 31m | Embraer E175 | | Sun, Oct 25 | UA 5285 | United Airlines | 16:30 | 18:10 | 1h 40m | Embraer E175 | | Sun, Oct 25 | UA 5278 | United Airlines | 17:53 | 19:29 | 1h 36m | Embraer E175 | | Sun, Oct 25 | UA 1355 | United Airlines | 20:20 | 21:53 | 1h 33m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sun, Oct 25 | UA 6140 | United Airlines | 21:45 | 23:23 | 1h 38m | Embraer E175 | | Mon, Oct 26 | UA 4795 | United Airlines | 07:30 | 09:07 | 1h 37m | Embraer E175 | | Mon, Oct 26 | UA 5619 | United Airlines | 09:32 | 11:07 | 1h 35m | Embraer E175 | | Mon, Oct 26 | UA 6139 | United Airlines | 09:32 | 11:09 | 1h 37m | Embraer E175 | | Mon, Oct 26 | UA 6159 | United Airlines | 12:15 | 13:54 | 1h 39m | Embraer E175 | | Mon, Oct 26 | UA 5316 | United Airlines | 12:35 | 14:08 | 1h 33m | Embraer E175 | | Mon, Oct 26 | UA 6158 | United Airlines | 14:35 | 16:07 | 1h 32m | Embraer E175 | Showing the first 40 of 71 scheduled IAH to OKC departures across 7 days with service, starting October 22, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every IAH to OKC date on the interactive map ## Aircraft on the Houston to Oklahoma City nonstop United Airlines flies the departures in the schedule table on this page with the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md), the Embraer ERJ, and the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAH to OKC nonstop schedule This page carries the full IAH to OKC nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IAH to OKC nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to OKC on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Oklahoma City nonstop Carriers operating IAH to OKC nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See IAH to OKC on the interactive map → ## Frequently asked questions about IAH to OKC **How long is the flight from Houston (IAH) to Oklahoma City (OKC)?** Scheduled flight times from Houston (IAH) to Oklahoma City (OKC) run from 1h 28m to 1h 40m across the departures in the schedule table on this page. The nonstop covers about 396 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to OKC?** United Airlines is currently the only airline flying IAH to OKC nonstop. 2LNR doesn't show award or upgrade space for it on IAH to OKC, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to OKC?** About 78 nonstop flights a week run between Houston (IAH) and Oklahoma City (OKC) 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 IAH to OKC depart?** Scheduled IAH to OKC nonstops in the next 7 days with service leave between 07:20 and 21:45, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAH to OKC nonstop?** The schedule table on this page lists 17 flight numbers for IAH to OKC nonstops, including UA 1084, UA 5278, UA 5619, UA 6145, UA 6158, UA 6161, UA 6164, and UA 6334 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on IAH to OKC?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to OKC. The page carries the full IAH to OKC nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [OKC to IAH nonstop flights](https://2lnr.com/routes/okc-iah.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Houston (IAH)](https://2lnr.com/routes/iah.md), or [every route from Oklahoma City (OKC)](https://2lnr.com/routes/okc.md). Nonstops from Houston (IAH) to other airports within 150 miles of Oklahoma City (OKC): - [Houston (IAH) to Tulsa (TUL)](https://2lnr.com/routes/iah-tul.md), 111 miles from OKC Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IAH to OKC nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)