--- title: "Houston (IAH) to San Diego (SAN) flights: who flies it" description: "United Airlines flies Houston (IAH) to San Diego (SAN) nonstop about 39 times a week, scheduled at 3h 20m to 3h 29m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-san" url: "https://2lnr.com/routes/iah-san.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to San Diego (IAH-SAN): nonstop flights and who flies them United Airlines flies nonstop between Houston (IAH) and San Diego (SAN), roughly 39 times a week. The timetable below shows the nonstop scheduled at 3h 20m to 3h 29m 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 IAH to SAN on the interactive map [Get started free](https://2lnr.com/login) 39 Flights a week, 4-week average 3h 20m to 3h 29m Scheduled flight time 1,301 mi Nonstop distance Free To get started ## Houston to San Diego flight schedule Scheduled nonstop departures for IAH to SAN 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 San Diego (SAN) | Date | Flight | Airline | Departs IAH | Arrives SAN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 2491 | United Airlines | 09:36 | 10:58 | 3h 22m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Thu, Oct 22 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Thu, Oct 22 | UA 1114 | United Airlines | 14:20 | 15:40 | 3h 20m | Boeing 737-900 | | Thu, Oct 22 | UA 2798 | United Airlines | 16:24 | 17:46 | 3h 22m | Boeing 737-900 | | Thu, Oct 22 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2491 | United Airlines | 09:36 | 10:58 | 3h 22m | Boeing 737-900 | | Fri, Oct 23 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 1114 | United Airlines | 14:20 | 15:40 | 3h 20m | Boeing 737-900 | | Fri, Oct 23 | UA 2798 | United Airlines | 16:24 | 17:46 | 3h 22m | Boeing 737-900 | | Fri, Oct 23 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2491 | United Airlines | 09:36 | 10:58 | 3h 22m | Boeing 737-900 | | Sat, Oct 24 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 1114 | United Airlines | 14:20 | 15:40 | 3h 20m | Boeing 737-900 | | Sat, Oct 24 | UA 2798 | United Airlines | 16:24 | 17:46 | 3h 22m | Boeing 737-900 | | Sat, Oct 24 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Sun, Oct 25 | UA 2491 | United Airlines | 09:36 | 10:58 | 3h 22m | Boeing 737-900 | | Sun, Oct 25 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Sun, Oct 25 | UA 2212 | United Airlines | 14:25 | 15:54 | 3h 29m | Boeing 737-900 | | Sun, Oct 25 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 2491 | United Airlines | 09:36 | 10:58 | 3h 22m | Boeing 737-900 | | Mon, Oct 26 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 2212 | United Airlines | 14:25 | 15:54 | 3h 29m | Boeing 737-900 | | Mon, Oct 26 | UA 1979 | United Airlines | 16:24 | 17:53 | 3h 29m | Boeing 737-900 | | Mon, Oct 26 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Tue, Oct 27 | UA 2491 | United Airlines | 09:30 | 10:59 | 3h 29m | Boeing 737-900 | | Tue, Oct 27 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Tue, Oct 27 | UA 2212 | United Airlines | 14:25 | 15:54 | 3h 29m | Boeing 737-900 | | Tue, Oct 27 | UA 1979 | United Airlines | 16:24 | 17:53 | 3h 29m | Boeing 737-900 | | Tue, Oct 27 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 2491 | United Airlines | 09:30 | 10:59 | 3h 29m | Boeing 737-900 | | Wed, Oct 28 | UA 2399 | United Airlines | 11:55 | 13:17 | 3h 22m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 2212 | United Airlines | 14:25 | 15:54 | 3h 29m | Boeing 737-900 | | Wed, Oct 28 | UA 1979 | United Airlines | 16:24 | 17:53 | 3h 29m | Boeing 737-900 | | Wed, Oct 28 | UA 1911 | United Airlines | 19:56 | 21:24 | 3h 28m | Boeing 737 MAX 9 | Showing all 34 scheduled IAH to SAN 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 IAH to SAN date on the interactive map ## Aircraft on the Houston to San Diego 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) and the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAH to SAN nonstop schedule This page carries the full IAH to SAN 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 SAN nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to SAN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to San Diego nonstop Carriers operating IAH to SAN 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 SAN on the interactive map → ## Frequently asked questions about IAH to SAN **How long is the flight from Houston (IAH) to San Diego (SAN)?** Scheduled flight times from Houston (IAH) to San Diego (SAN) run from 3h 20m to 3h 29m 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 IAH to SAN?** United Airlines is currently the only airline flying IAH to SAN nonstop. 2LNR doesn't show award or upgrade space for it on IAH to SAN, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to SAN?** About 39 nonstop flights a week run between Houston (IAH) and San Diego (SAN) 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 SAN depart?** Scheduled IAH to SAN nonstops in the next 7 days with service leave between 09:30 and 19:56, 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 SAN nonstop?** In the schedule table on this page, IAH to SAN nonstops fly as UA 1114, UA 1911, UA 1979, UA 2212, UA 2399, UA 2491, and UA 2798 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 SAN?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to SAN. The page carries the full IAH to SAN nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SAN to IAH nonstop flights](https://2lnr.com/routes/san-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 San Diego (SAN)](https://2lnr.com/routes/san.md). Nonstops to San Diego (SAN) from other airports within 150 miles of Houston (IAH): - [Austin (AUS) to San Diego (SAN)](https://2lnr.com/routes/aus-san.md), 140 miles from IAH Nonstops from Houston (IAH) to other airports within 150 miles of San Diego (SAN): - [Houston (IAH) to Santa Ana (SNA)](https://2lnr.com/routes/iah-sna.md), 76 miles from SAN - [Houston (IAH) to Palm Springs (PSP)](https://2lnr.com/routes/iah-psp.md), 85 miles from SAN - [Houston (IAH) to Ontario (ONT)](https://2lnr.com/routes/iah-ont.md), 94 miles from SAN - [Houston (IAH) to Los Angeles (LAX)](https://2lnr.com/routes/iah-lax.md), 110 miles from SAN 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 SAN 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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