--- title: "Carlsbad to San Francisco flights: who flies CLD-SFO" description: "United Airlines flies Carlsbad (CLD) to San Francisco (SFO) nonstop about 14 times a week, scheduled at 1h 43m to 1h 49m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cld-sfo" url: "https://2lnr.com/routes/cld-sfo.md" date_modified: "2026-10-18T05:10:47Z" --- # Carlsbad to San Francisco (CLD-SFO): nonstop flights and who flies them United Airlines flies nonstop between Carlsbad (CLD) and San Francisco (SFO), roughly 14 times a week. In the timetable below it flies as UA 5519 and UA 5599, scheduled at 1h 43m to 1h 49m for the 423 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 CLD to SFO on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 1h 43m to 1h 49m Scheduled flight time 423 mi Nonstop distance Free To get started ## Carlsbad to San Francisco flight schedule Scheduled nonstop departures for CLD 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 Carlsbad (CLD) to San Francisco (SFO) | Date | Flight | Airline | Departs CLD | Arrives SFO | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 5519 | United Airlines | 07:30 | 09:19 | 1h 49m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Thu, Oct 22 | UA 5599 | United Airlines | 13:40 | 15:23 | 1h 43m | Embraer E175 | | Fri, Oct 23 | UA 5519 | United Airlines | 07:30 | 09:19 | 1h 49m | Embraer E175 | | Fri, Oct 23 | UA 5599 | United Airlines | 13:40 | 15:23 | 1h 43m | Embraer E175 | | Sat, Oct 24 | UA 5519 | United Airlines | 07:20 | 09:09 | 1h 49m | Embraer E175 | | Sat, Oct 24 | UA 5599 | United Airlines | 13:40 | 15:23 | 1h 43m | Embraer E175 | | Sun, Oct 25 | UA 5519 | United Airlines | 07:30 | 09:19 | 1h 49m | Embraer E175 | | Sun, Oct 25 | UA 5599 | United Airlines | 13:40 | 15:23 | 1h 43m | Embraer E175 | | Mon, Oct 26 | UA 5519 | United Airlines | 07:30 | 09:19 | 1h 49m | Embraer E175 | | Mon, Oct 26 | UA 5599 | United Airlines | 13:40 | 15:23 | 1h 43m | Embraer E175 | | Tue, Oct 27 | UA 5519 | United Airlines | 07:20 | 09:09 | 1h 49m | Embraer E175 | | Tue, Oct 27 | UA 5599 | United Airlines | 13:47 | 15:30 | 1h 43m | Embraer E175 | | Wed, Oct 28 | UA 5519 | United Airlines | 07:20 | 09:09 | 1h 49m | Embraer E175 | | Wed, Oct 28 | UA 5599 | United Airlines | 13:47 | 15:30 | 1h 43m | Embraer E175 | Showing all 14 scheduled CLD 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 CLD to SFO date on the interactive map ## Aircraft on the Carlsbad to San Francisco nonstop United Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full CLD to SFO nonstop schedule This page carries the full CLD 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 CLD to SFO nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CLD to SFO on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Carlsbad to San Francisco nonstop Carriers operating CLD 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 CLD to SFO on the interactive map → ## Frequently asked questions about CLD to SFO **How long is the flight from Carlsbad (CLD) to San Francisco (SFO)?** Scheduled flight times from Carlsbad (CLD) to San Francisco (SFO) run from 1h 43m to 1h 49m across the departures in the schedule table on this page. The nonstop covers about 423 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CLD to SFO?** United Airlines is currently the only airline flying CLD to SFO nonstop. 2LNR doesn't show award or upgrade space for it on CLD to SFO, so this page carries the schedule rather than a space claim. **How many flights a week are there from CLD to SFO?** About 14 nonstop flights a week run between Carlsbad (CLD) 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 CLD to SFO depart?** Scheduled CLD to SFO nonstops in the next 7 days with service leave between 07:20 and 13:47, local time at Carlsbad. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CLD to SFO nonstop?** In the schedule table on this page, CLD to SFO nonstops fly as UA 5519 and UA 5599 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on CLD to SFO?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on CLD to SFO. The page carries the full CLD to SFO nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SFO to CLD nonstop flights](https://2lnr.com/routes/sfo-cld.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Carlsbad (CLD)](https://2lnr.com/routes/cld.md), or [every route from San Francisco (SFO)](https://2lnr.com/routes/sfo.md). Nonstops to San Francisco (SFO) from other airports within 150 miles of Carlsbad (CLD): - [San Diego (SAN) to San Francisco (SFO)](https://2lnr.com/routes/san-sfo.md), 28 miles from CLD - [Santa Ana (SNA) to San Francisco (SFO)](https://2lnr.com/routes/sna-sfo.md), 51 miles from CLD - [Palm Springs (PSP) to San Francisco (SFO)](https://2lnr.com/routes/psp-sfo.md), 66 miles from CLD - [Ontario (ONT) to San Francisco (SFO)](https://2lnr.com/routes/ont-sfo.md), 67 miles from CLD - [Los Angeles (LAX) to San Francisco (SFO)](https://2lnr.com/routes/lax-sfo.md), 86 miles from CLD Nonstops from Carlsbad (CLD) to other airports within 150 miles of San Francisco (SFO): - [Carlsbad (CLD) to Oakland (OAK)](https://2lnr.com/routes/cld-oak.md), 11 miles from SFO 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 CLD 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. 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