--- title: "San Diego (SAN) to Houston (IAH) flights: who flies it" description: "United Airlines flies San Diego (SAN) to Houston (IAH) nonstop about 35 times a week, scheduled at 3h 14m to 3h 21m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/san-iah" url: "https://2lnr.com/routes/san-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # San Diego to Houston (SAN-IAH): nonstop flights and who flies them United Airlines flies nonstop between San Diego (SAN) and Houston (IAH), roughly 35 times a week. The timetable below shows the nonstop scheduled at 3h 14m to 3h 21m for the 1,301 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See SAN to IAH on the interactive map [Get started free](https://2lnr.com/login) 35 Flights a week, 4-week average 3h 14m to 3h 21m Scheduled flight time 1,301 mi Nonstop distance Free To get started ## San Diego to Houston flight schedule Scheduled nonstop departures for SAN to IAH 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 San Diego (SAN) to Houston (IAH) | Date | Flight | Airline | Departs SAN | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Thu, Oct 22 | UA 1980 | United Airlines | 10:13 | 15:34 | 3h 21m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Thu, Oct 22 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Thu, Oct 22 | UA 618 | United Airlines | 15:00 | 20:15 | 3h 15m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Thu, Oct 22 | UA 2025 | United Airlines | 16:46 | 22:00 | 3h 14m | Boeing 737-900 | | Fri, Oct 23 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Fri, Oct 23 | UA 1980 | United Airlines | 10:13 | 15:34 | 3h 21m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Fri, Oct 23 | UA 618 | United Airlines | 15:00 | 20:15 | 3h 15m | Boeing 737 MAX 8 | | Fri, Oct 23 | UA 2025 | United Airlines | 16:46 | 22:00 | 3h 14m | Boeing 737-900 | | Sat, Oct 24 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Sat, Oct 24 | UA 1980 | United Airlines | 10:13 | 15:34 | 3h 21m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Sat, Oct 24 | UA 618 | United Airlines | 15:00 | 20:15 | 3h 15m | Boeing 737 MAX 8 | | Sat, Oct 24 | UA 2025 | United Airlines | 16:46 | 22:00 | 3h 14m | Boeing 737-900 | | Sun, Oct 25 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Sun, Oct 25 | UA 1980 | United Airlines | 10:13 | 15:34 | 3h 21m | Boeing 737 MAX 9 | | Sun, Oct 25 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Sun, Oct 25 | UA 618 | United Airlines | 15:04 | 20:19 | 3h 15m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Sun, Oct 25 | UA 1191 | United Airlines | 17:00 | 22:15 | 3h 15m | Boeing 737-900 | | Mon, Oct 26 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Mon, Oct 26 | UA 1980 | United Airlines | 10:11 | 15:32 | 3h 21m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Mon, Oct 26 | UA 618 | United Airlines | 15:04 | 20:19 | 3h 15m | Boeing 737-800 | | Mon, Oct 26 | UA 1191 | United Airlines | 17:00 | 22:15 | 3h 15m | Boeing 737-900 | | Tue, Oct 27 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Tue, Oct 27 | UA 1980 | United Airlines | 10:11 | 15:32 | 3h 21m | Boeing 737 MAX 9 | | Tue, Oct 27 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Tue, Oct 27 | UA 618 | United Airlines | 15:04 | 20:19 | 3h 15m | Boeing 737-800 | | Tue, Oct 27 | UA 1191 | United Airlines | 17:00 | 22:15 | 3h 15m | Boeing 737-900 | | Wed, Oct 28 | UA 2760 | United Airlines | 08:00 | 13:21 | 3h 21m | Boeing 737-900 | | Wed, Oct 28 | UA 1980 | United Airlines | 10:11 | 15:32 | 3h 21m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 2237 | United Airlines | 12:04 | 17:25 | 3h 21m | Boeing 737-900 | | Wed, Oct 28 | UA 618 | United Airlines | 15:04 | 20:19 | 3h 15m | Boeing 737-800 | | Wed, Oct 28 | UA 1191 | United Airlines | 17:00 | 22:15 | 3h 15m | Boeing 737-900 | Showing all 35 scheduled SAN to IAH departures across 7 days with service, starting October 22, 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 SAN to IAH date on the interactive map ## Aircraft on the San Diego to Houston nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), 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 SAN to IAH nonstop schedule This page carries the full SAN 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 SAN to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See SAN to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Diego to Houston nonstop Carriers operating SAN 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 SAN to IAH on the interactive map → ## Frequently asked questions about SAN to IAH **How long is the flight from San Diego (SAN) to Houston (IAH)?** Scheduled flight times from San Diego (SAN) to Houston (IAH) run from 3h 14m to 3h 21m across the departures in the schedule table on this page. The nonstop covers about 1,301 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SAN to IAH?** United Airlines is currently the only airline flying SAN to IAH nonstop. 2LNR doesn't show award or upgrade space for it on SAN to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from SAN to IAH?** About 35 nonstop flights a week run between San Diego (SAN) 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 SAN to IAH depart?** Scheduled SAN to IAH nonstops in the next 7 days with service leave between 08:00 and 17:00, local time at San Diego. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SAN to IAH nonstop?** In the schedule table on this page, SAN to IAH nonstops fly as UA 618, UA 1191, UA 1980, UA 2025, UA 2237, and UA 2760 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on SAN to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on SAN to IAH. The page carries the full SAN to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to SAN nonstop flights](https://2lnr.com/routes/iah-san.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from San Diego (SAN)](https://2lnr.com/routes/san.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of San Diego (SAN): - [Santa Ana (SNA) to Houston (IAH)](https://2lnr.com/routes/sna-iah.md), 76 miles from SAN - [Palm Springs (PSP) to Houston (IAH)](https://2lnr.com/routes/psp-iah.md), 85 miles from SAN - [Ontario (ONT) to Houston (IAH)](https://2lnr.com/routes/ont-iah.md), 94 miles from SAN - [Los Angeles (LAX) to Houston (IAH)](https://2lnr.com/routes/lax-iah.md), 110 miles from SAN Nonstops from San Diego (SAN) to other airports within 150 miles of Houston (IAH): - [San Diego (SAN) to Austin (AUS)](https://2lnr.com/routes/san-aus.md), 140 miles from IAH 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 SAN 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. 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