--- title: "Santa Ana (SNA) to Houston (IAH) flights: who flies it" description: "United Airlines flies Santa Ana (SNA) to Houston (IAH) nonstop about 20 times a week, scheduled at 3h 15m to 3h 22m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/sna-iah" url: "https://2lnr.com/routes/sna-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # Santa Ana to Houston (SNA-IAH): nonstop flights and who flies them United Airlines flies nonstop between Santa Ana (SNA) and Houston (IAH), roughly 20 times a week. The timetable below shows the nonstop scheduled at 3h 15m to 3h 22m for the 1,344 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See SNA to IAH on the interactive map [Get started free](https://2lnr.com/login) 20 Flights a week, 4-week average 3h 15m to 3h 22m Scheduled flight time 1,344 mi Nonstop distance Free To get started ## Santa Ana to Houston flight schedule Scheduled nonstop departures for SNA to IAH starting October 23, 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 Santa Ana (SNA) to Houston (IAH) | Date | Flight | Airline | Departs SNA | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 700 | United Airlines | 08:10 | 13:29 | 3h 19m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Fri, Oct 23 | UA 2044 | United Airlines | 12:06 | 17:25 | 3h 19m | Boeing 737 MAX 8 | | Fri, Oct 23 | UA 643 | United Airlines | 15:14 | 20:33 | 3h 19m | [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md) | | Sat, Oct 24 | UA 700 | United Airlines | 08:10 | 13:29 | 3h 19m | Boeing 737 MAX 8 | | Sat, Oct 24 | UA 2044 | United Airlines | 12:06 | 17:25 | 3h 19m | Boeing 737 MAX 8 | | Sat, Oct 24 | UA 643 | United Airlines | 15:14 | 20:33 | 3h 19m | Boeing 737-700 | | Sun, Oct 25 | UA 2044 | United Airlines | 12:08 | 17:23 | 3h 15m | Boeing 737-700 | | Sun, Oct 25 | UA 643 | United Airlines | 15:14 | 20:33 | 3h 19m | Boeing 737-700 | | Mon, Oct 26 | UA 2044 | United Airlines | 12:08 | 17:23 | 3h 15m | Boeing 737-700 | | Mon, Oct 26 | UA 643 | United Airlines | 15:05 | 20:27 | 3h 22m | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 273 | United Airlines | 08:05 | 13:20 | 3h 15m | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 2044 | United Airlines | 12:08 | 17:23 | 3h 15m | Boeing 737-700 | | Tue, Oct 27 | UA 643 | United Airlines | 14:59 | 20:15 | 3h 16m | Boeing 737 MAX 8 | | Wed, Oct 28 | UA 2044 | United Airlines | 12:08 | 17:23 | 3h 15m | Boeing 737-700 | | Wed, Oct 28 | UA 643 | United Airlines | 15:05 | 20:27 | 3h 22m | Boeing 737 MAX 8 | | Thu, Oct 29 | UA 273 | United Airlines | 08:05 | 13:20 | 3h 15m | Boeing 737 MAX 8 | | Thu, Oct 29 | UA 2044 | United Airlines | 12:08 | 17:23 | 3h 15m | Boeing 737-700 | | Thu, Oct 29 | UA 643 | United Airlines | 15:14 | 20:33 | 3h 19m | Boeing 737-700 | Showing all 18 scheduled SNA to IAH departures across 7 days with service, starting October 23, 2026. Later dates are 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 SNA to IAH date on the interactive map ## Aircraft on the Santa Ana to Houston nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) and the [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full SNA to IAH nonstop schedule This page carries the full SNA to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each SNA to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See SNA to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Santa Ana to Houston nonstop Carriers operating SNA to IAH 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 SNA to IAH on the interactive map → ## Frequently asked questions about SNA to IAH **How long is the flight from Santa Ana (SNA) to Houston (IAH)?** Scheduled flight times from Santa Ana (SNA) to Houston (IAH) run from 3h 15m to 3h 22m across the departures in the schedule table on this page. The nonstop covers about 1,344 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SNA to IAH?** United Airlines is currently the only airline flying SNA to IAH nonstop. 2LNR doesn't show award or upgrade space for it on SNA to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from SNA to IAH?** About 20 nonstop flights a week run between Santa Ana (SNA) and Houston (IAH) 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 SNA to IAH depart?** Scheduled SNA to IAH nonstops in the next 7 days with service leave between 08:05 and 15:14, local time at Santa Ana. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SNA to IAH nonstop?** In the schedule table on this page, SNA to IAH nonstops fly as UA 273, UA 643, UA 700, and UA 2044 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on SNA to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on SNA to IAH. The page carries the full SNA to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to SNA nonstop flights](https://2lnr.com/routes/iah-sna.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Santa Ana (SNA)](https://2lnr.com/routes/sna.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of Santa Ana (SNA): - [Ontario (ONT) to Houston (IAH)](https://2lnr.com/routes/ont-iah.md), 30 miles from SNA - [Los Angeles (LAX) to Houston (IAH)](https://2lnr.com/routes/lax-iah.md), 37 miles from SNA - [San Diego (SAN) to Houston (IAH)](https://2lnr.com/routes/san-iah.md), 76 miles from SNA - [Palm Springs (PSP) to Houston (IAH)](https://2lnr.com/routes/psp-iah.md), 79 miles from SNA 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 SNA to IAH 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)