--- title: "San Francisco to Houston flights: who flies SFO-IAH" description: "United Airlines flies San Francisco (SFO) to Houston (IAH) nonstop about 82 times a week, scheduled at 3h 47m to 4h 6m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/sfo-iah" url: "https://2lnr.com/routes/sfo-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # San Francisco to Houston (SFO-IAH): nonstop flights and who flies them United Airlines flies nonstop between San Francisco (SFO) and Houston (IAH), roughly 82 times a week. The timetable below shows the nonstop scheduled at 3h 47m to 4h 6m for the 1,633 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 SFO to IAH on the interactive map [Get started free](https://2lnr.com/login) 82 Flights a week, 4-week average 3h 47m to 4h 6m Scheduled flight time 1,633 mi Nonstop distance Free To get started ## San Francisco to Houston flight schedule Scheduled nonstop departures for SFO 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 Francisco (SFO) to Houston (IAH) | Date | Flight | Airline | Departs SFO | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 604 | United Airlines | 00:45 | 06:35 | 3h 50m | 777 | | Thu, Oct 22 | UA 2168 | United Airlines | 05:00 | 10:55 | 3h 55m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Thu, Oct 22 | UA 686 | United Airlines | 07:05 | 12:58 | 3h 53m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Thu, Oct 22 | UA 2498 | United Airlines | 08:50 | 14:56 | 4h 6m | Boeing 737-900 | | Thu, Oct 22 | UA 1259 | United Airlines | 10:45 | 16:47 | 4h 2m | Boeing 737 MAX 9 | | Thu, Oct 22 | UA 1387 | United Airlines | 12:25 | 18:25 | 4h | Boeing 737-900 | | Thu, Oct 22 | UA 2831 | United Airlines | 14:25 | 20:26 | 4h 1m | Boeing 737 MAX 9 | | Thu, Oct 22 | UA 2305 | United Airlines | 16:10 | 22:11 | 4h 1m | Boeing 737-900 | | Thu, Oct 22 | UA 1649 | United Airlines | 17:10 | 23:01 | 3h 51m | Boeing 737 MAX 9 | | Thu, Oct 22 | UA 2464 | United Airlines | 18:30 | 00:28 | 3h 58m | Boeing 737 MAX 9 | | Thu, Oct 22 | UA 505 | United Airlines | 23:59 | 05:46 | 3h 47m | Boeing 737-900 | | Fri, Oct 23 | UA 604 | United Airlines | 00:45 | 06:35 | 3h 50m | 777 | | Fri, Oct 23 | UA 2168 | United Airlines | 05:00 | 10:55 | 3h 55m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 686 | United Airlines | 07:05 | 12:58 | 3h 53m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2498 | United Airlines | 08:50 | 14:56 | 4h 6m | Boeing 737-900 | | Fri, Oct 23 | UA 1259 | United Airlines | 10:45 | 16:47 | 4h 2m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 1387 | United Airlines | 12:25 | 18:25 | 4h | Boeing 737-900 | | Fri, Oct 23 | UA 2831 | United Airlines | 14:25 | 20:26 | 4h 1m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2305 | United Airlines | 16:10 | 22:11 | 4h 1m | Boeing 737-900 | | Fri, Oct 23 | UA 1649 | United Airlines | 17:10 | 23:01 | 3h 51m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2464 | United Airlines | 18:30 | 00:28 | 3h 58m | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 2770 | United Airlines | 19:30 | 01:30 | 4h | Boeing 737 MAX 9 | | Fri, Oct 23 | UA 505 | United Airlines | 23:59 | 05:46 | 3h 47m | Boeing 737-900 | | Sat, Oct 24 | UA 604 | United Airlines | 00:45 | 06:35 | 3h 50m | 777 | | Sat, Oct 24 | UA 2168 | United Airlines | 05:00 | 10:55 | 3h 55m | Boeing 737-900 | | Sat, Oct 24 | UA 686 | United Airlines | 07:05 | 12:58 | 3h 53m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2498 | United Airlines | 08:50 | 14:56 | 4h 6m | Boeing 737-900 | | Sat, Oct 24 | UA 1259 | United Airlines | 10:45 | 16:47 | 4h 2m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 1110 | United Airlines | 12:10 | 18:07 | 3h 57m | [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ua/787-9.md) | | Sat, Oct 24 | UA 1387 | United Airlines | 12:24 | 18:29 | 4h 5m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2831 | United Airlines | 14:25 | 20:26 | 4h 1m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2305 | United Airlines | 16:10 | 22:11 | 4h 1m | Boeing 737-900 | | Sat, Oct 24 | UA 1649 | United Airlines | 17:10 | 23:01 | 3h 51m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 505 | United Airlines | 23:59 | 05:46 | 3h 47m | Boeing 737-900 | | Sun, Oct 25 | UA 604 | United Airlines | 00:45 | 06:35 | 3h 50m | 777 | | Sun, Oct 25 | UA 2168 | United Airlines | 05:00 | 10:55 | 3h 55m | Boeing 737-900 | | Sun, Oct 25 | UA 686 | United Airlines | 07:15 | 13:08 | 3h 53m | [Boeing 757-200](https://2lnr.com/seatmaps/ua/757-200.md) | | Sun, Oct 25 | UA 1240 | United Airlines | 08:48 | 14:50 | 4h 2m | Boeing 737-900 | | Sun, Oct 25 | UA 2367 | United Airlines | 08:48 | 14:50 | 4h 2m | Boeing 737-900 | | Sun, Oct 25 | UA 2498 | United Airlines | 08:55 | 14:59 | 4h 4m | Boeing 737 MAX 9 | Showing the first 40 of 85 scheduled SFO to IAH 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 SFO to IAH date on the interactive map ## Aircraft on the San Francisco to Houston nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), the Boeing 777, the [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ua/787-9.md), and the [Boeing 757-200](https://2lnr.com/seatmaps/ua/757-200.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full SFO to IAH nonstop schedule This page carries the full SFO 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 SFO to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See SFO to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Francisco to Houston nonstop Carriers operating SFO 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 SFO to IAH on the interactive map → ## Frequently asked questions about SFO to IAH **How long is the flight from San Francisco (SFO) to Houston (IAH)?** Scheduled flight times from San Francisco (SFO) to Houston (IAH) run from 3h 47m to 4h 6m across the departures in the schedule table on this page. The nonstop covers about 1,633 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SFO to IAH?** United Airlines is currently the only airline flying SFO to IAH nonstop. 2LNR doesn't show award or upgrade space for it on SFO to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from SFO to IAH?** About 82 nonstop flights a week run between San Francisco (SFO) 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 SFO to IAH depart?** Scheduled SFO to IAH nonstops in the next 7 days with service leave between 00:45 and 23:59, local time at San Francisco. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SFO to IAH nonstop?** The schedule table on this page lists 15 flight numbers for SFO to IAH nonstops, including UA 604, UA 686, UA 1259, UA 1387, UA 2168, UA 2305, UA 2498, and UA 2831 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on SFO to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on SFO to IAH. The page carries the full SFO to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to SFO nonstop flights](https://2lnr.com/routes/iah-sfo.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 Francisco (SFO)](https://2lnr.com/routes/sfo.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 Francisco (SFO): - [Sacramento (SMF) to Houston (IAH)](https://2lnr.com/routes/smf-iah.md), 85 miles from SFO Nonstops from San Francisco (SFO) to other airports within 150 miles of Houston (IAH): - [San Francisco (SFO) to Houston (HOU)](https://2lnr.com/routes/sfo-hou.md), 24 miles from IAH - [San Francisco (SFO) to Austin (AUS)](https://2lnr.com/routes/sfo-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 SFO 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)