--- title: "St. Louis to San Francisco flights: who flies STL-SFO" description: "United Airlines flies nonstop from STL to SFO, about 14 flights a week, scheduled at 4h 22m to 4h 36m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/stl-sfo" url: "https://2lnr.com/routes/stl-sfo.md" date_modified: "2026-10-18T05:10:47Z" --- # St. Louis to San Francisco (STL-SFO): nonstop flights and who flies them United Airlines flies nonstop between St. Louis (STL) and San Francisco (SFO), roughly 14 times a week. The timetable below shows the nonstop scheduled at 4h 22m to 4h 36m for the 1,731 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 STL to SFO on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 4h 22m to 4h 36m Scheduled flight time 1,731 mi Nonstop distance Free To get started ## St. Louis to San Francisco flight schedule Scheduled nonstop departures for STL to SFO 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 St. Louis (STL) to San Francisco (SFO) | Date | Flight | Airline | Departs STL | Arrives SFO | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 573 | United Airlines | 07:08 | 09:30 | 4h 22m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | UA 573 | United Airlines | 07:08 | 09:30 | 4h 22m | Boeing 737-800 | | Sat, Oct 24 | UA 573 | United Airlines | 07:08 | 09:30 | 4h 22m | Boeing 737-800 | | Sun, Oct 25 | UA 300 | United Airlines | 08:30 | 11:05 | 4h 35m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Sun, Oct 25 | UA 1257 | United Airlines | 08:42 | 11:04 | 4h 22m | Airbus A319 | | Sun, Oct 25 | UA 214 | United Airlines | 19:06 | 21:41 | 4h 35m | Airbus A319 | | Mon, Oct 26 | UA 1257 | United Airlines | 08:00 | 10:36 | 4h 36m | Airbus A319 | | Mon, Oct 26 | UA 214 | United Airlines | 19:05 | 21:41 | 4h 36m | [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md) | | Tue, Oct 27 | UA 1257 | United Airlines | 08:00 | 10:36 | 4h 36m | Airbus A319 | | Tue, Oct 27 | UA 214 | United Airlines | 19:06 | 21:41 | 4h 35m | Airbus A319 | | Wed, Oct 28 | UA 1257 | United Airlines | 08:00 | 10:36 | 4h 36m | Airbus A319 | | Wed, Oct 28 | UA 214 | United Airlines | 19:06 | 21:41 | 4h 35m | Airbus A319 | Showing all 12 scheduled STL to SFO 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 STL to SFO date on the interactive map ## Aircraft on the St. Louis to San Francisco nonstop United Airlines flies the departures in the schedule table on this page with the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), and the [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full STL to SFO nonstop schedule This page carries the full STL to SFO nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each STL to SFO nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See STL to SFO on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying St. Louis to San Francisco nonstop Carriers operating STL to SFO 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 STL to SFO on the interactive map → ## Frequently asked questions about STL to SFO **How long is the flight from St. Louis (STL) to San Francisco (SFO)?** Scheduled flight times from St. Louis (STL) to San Francisco (SFO) run from 4h 22m to 4h 36m across the departures in the schedule table on this page. The nonstop covers about 1,731 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from STL to SFO?** United Airlines is currently the only airline flying STL to SFO nonstop. 2LNR doesn't show award or upgrade space for it on STL to SFO, so this page carries the schedule rather than a space claim. **How many flights a week are there from STL to SFO?** About 14 nonstop flights a week run between St. Louis (STL) and San Francisco (SFO) 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 STL to SFO depart?** Scheduled STL to SFO nonstops in the next 7 days with service leave between 07:08 and 19:06, local time at St. Louis. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate STL to SFO nonstop?** In the schedule table on this page, STL to SFO nonstops fly as UA 214, UA 300, UA 573, and UA 1257 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on STL to SFO?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on STL to SFO. The page carries the full STL to SFO nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SFO to STL nonstop flights](https://2lnr.com/routes/sfo-stl.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from St. Louis (STL)](https://2lnr.com/routes/stl.md), or [every route from San Francisco (SFO)](https://2lnr.com/routes/sfo.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full STL to SFO 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)