--- title: "San Francisco to Boston flights: who flies SFO-BOS" description: "Delta Air Lines, JetBlue Airways and United Airlines fly nonstop from SFO to BOS, about 101 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/sfo-bos" url: "https://2lnr.com/routes/sfo-bos.md" date_modified: "2026-10-18T05:10:47Z" --- # San Francisco to Boston (SFO-BOS): nonstop upgrade & award space United Airlines, JetBlue Airways, and Delta Air Lines fly nonstop between San Francisco (SFO) and Boston (BOS), roughly 101 times a week. The timetable below shows the nonstop scheduled at 5h 35m to 6h 21m for the 2,698 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines flights on this route, so you can see which departures have space before you book. 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 BOS on the interactive map [Get started free](https://2lnr.com/login) 101 Flights a week, 4-week average 5h 35m to 6h 21m Scheduled flight time 2,698 mi Nonstop distance Free To get started ## San Francisco to Boston flight schedule Scheduled nonstop departures for SFO to BOS starting October 23, 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 Boston (BOS) | Date | Flight | Airline | Departs SFO | Arrives BOS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | DL 400 | Delta Air Lines | 07:00 | 15:45 | 5h 45m | [Airbus A321neo family](https://2lnr.com/seatmaps/dl/a321neo.md) | | Fri, Oct 23 | UA 371 | United Airlines | 07:00 | 15:55 | 5h 55m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Fri, Oct 23 | B6 434 | JetBlue Airways | 07:59 | 16:44 | 5h 45m | 32S | | Fri, Oct 23 | UA 2647 | United Airlines | 08:15 | 17:10 | 5h 55m | Boeing 737 MAX 9 | | Fri, Oct 23 | B6 1734 | JetBlue Airways | 10:20 | 19:06 | 5h 46m | 32S | | Fri, Oct 23 | UA 2356 | United Airlines | 10:50 | 19:44 | 5h 54m | Boeing 737 MAX 9 | | Fri, Oct 23 | B6 1034 | JetBlue Airways | 11:44 | 20:44 | 6h | 32S | | Fri, Oct 23 | UA 1372 | United Airlines | 12:10 | 20:57 | 5h 47m | Boeing 737 MAX 9 | | Fri, Oct 23 | DL 977 | Delta Air Lines | 12:40 | 21:20 | 5h 40m | Airbus A321neo family | | Fri, Oct 23 | UA 2634 | United Airlines | 14:05 | 22:57 | 5h 52m | Boeing 737 MAX 9 | | Fri, Oct 23 | B6 1234 | JetBlue Airways | 14:37 | 23:58 | 6h 21m | 32S | | Fri, Oct 23 | DL 860 | Delta Air Lines | 15:00 | 23:39 | 5h 39m | Airbus A321neo family | | Fri, Oct 23 | UA 796 | United Airlines | 21:15 | 06:11 | 5h 56m | Boeing 737 MAX 9 | | Fri, Oct 23 | B6 134 | JetBlue Airways | 21:37 | 06:30 | 5h 53m | 32S | | Fri, Oct 23 | DL 1655 | Delta Air Lines | 21:54 | 06:40 | 5h 46m | Airbus A321neo family | | Fri, Oct 23 | UA 1665 | United Airlines | 23:20 | 08:16 | 5h 56m | Boeing 737 MAX 9 | | Sat, Oct 24 | DL 400 | Delta Air Lines | 07:00 | 15:45 | 5h 45m | Airbus A321neo family | | Sat, Oct 24 | B6 434 | JetBlue Airways | 07:30 | 16:15 | 5h 45m | 32S | | Sat, Oct 24 | UA 2647 | United Airlines | 08:15 | 17:10 | 5h 55m | Boeing 737 MAX 9 | | Sat, Oct 24 | UA 2356 | United Airlines | 10:25 | 19:19 | 5h 54m | Boeing 737 MAX 9 | | Sat, Oct 24 | B6 1034 | JetBlue Airways | 11:44 | 20:44 | 6h | 32S | | Sat, Oct 24 | UA 1372 | United Airlines | 12:10 | 20:57 | 5h 47m | Boeing 737 MAX 9 | | Sat, Oct 24 | DL 977 | Delta Air Lines | 12:40 | 21:20 | 5h 40m | Airbus A321neo family | | Sat, Oct 24 | UA 2634 | United Airlines | 14:05 | 22:57 | 5h 52m | Boeing 737 MAX 9 | | Sat, Oct 24 | DL 860 | Delta Air Lines | 15:00 | 23:39 | 5h 39m | Airbus A321neo family | | Sat, Oct 24 | B6 1534 | JetBlue Airways | 22:10 | 07:00 | 5h 50m | 32S | | Sat, Oct 24 | UA 1665 | United Airlines | 23:20 | 08:16 | 5h 56m | Boeing 737 MAX 9 | | Sun, Oct 25 | DL 400 | Delta Air Lines | 07:00 | 15:45 | 5h 45m | Airbus A321neo family | | Sun, Oct 25 | B6 434 | JetBlue Airways | 07:30 | 16:05 | 5h 35m | 32S | | Sun, Oct 25 | UA 2647 | United Airlines | 08:15 | 17:10 | 5h 55m | Boeing 737 MAX 9 | | Sun, Oct 25 | B6 1734 | JetBlue Airways | 10:44 | 19:25 | 5h 41m | 32S | | Sun, Oct 25 | UA 2356 | United Airlines | 10:50 | 19:44 | 5h 54m | Boeing 737 MAX 9 | | Sun, Oct 25 | B6 1034 | JetBlue Airways | 12:14 | 21:00 | 5h 46m | 32S | | Sun, Oct 25 | DL 977 | Delta Air Lines | 12:40 | 21:20 | 5h 40m | Airbus A321neo family | | Sun, Oct 25 | UA 1372 | United Airlines | 12:45 | 21:24 | 5h 39m | [Boeing 757-200](https://2lnr.com/seatmaps/ua/757-200.md) | | Sun, Oct 25 | UA 1496 | United Airlines | 14:42 | 23:21 | 5h 39m | Boeing 757-200 | | Sun, Oct 25 | UA 485 | United Airlines | 14:42 | 23:21 | 5h 39m | Boeing 757-200 | | Sun, Oct 25 | B6 1234 | JetBlue Airways | 14:50 | 23:58 | 6h 8m | [Airbus A321neo family](https://2lnr.com/seatmaps/b6/a321neo.md) | | Sun, Oct 25 | DL 860 | Delta Air Lines | 15:00 | 23:39 | 5h 39m | Airbus A321neo family | | Sun, Oct 25 | UA 796 | United Airlines | 21:15 | 06:11 | 5h 56m | Boeing 737 MAX 9 | Showing the first 40 of 102 scheduled SFO to BOS departures across 7 days with service, starting October 23, 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 BOS date on the interactive map ## Aircraft on the San Francisco to Boston nonstop In the schedule table on this page, United Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) and the [Boeing 757-200](https://2lnr.com/seatmaps/ua/757-200.md). JetBlue Airways flies the Airbus A320 family and the [Airbus A321neo family](https://2lnr.com/seatmaps/b6/a321neo.md). Delta Air Lines flies the [Airbus A321neo family](https://2lnr.com/seatmaps/dl/a321neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on SFO to BOS departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for San Francisco to Boston to see which departures have space, the next 14 days free on every product and the full horizon on Pro. In the 7 days to October 19, 2026, 2LNR checked award space on San Francisco to Boston departures from October 19 to November 1. JetBlue Airways had space open on 11 of 14 dates checked and Delta Air Lines on 13 of 14. ### See real availability Confirmed upgrade or award seats by date on the SFO to BOS departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SFO to BOS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Francisco to Boston nonstop Carriers operating SFO to BOS nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [JetBlue Airways (B6) route map](https://2lnr.com/routes/airlines/b6.md)\ [The aircraft B6 flies](https://2lnr.com/seatmaps/b6.md) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See SFO to BOS on the interactive map → ## Frequently asked questions about SFO to BOS **How long is the flight from San Francisco (SFO) to Boston (BOS)?** Scheduled flight times from San Francisco (SFO) to Boston (BOS) run from 5h 35m to 6h 21m across the departures in the schedule table on this page. The nonstop covers about 2,698 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SFO to BOS?** United Airlines, JetBlue Airways, and Delta Air Lines fly SFO to BOS nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, and award seats on JetBlue Airways. **How many flights a week are there from SFO to BOS?** About 101 nonstop flights a week run between San Francisco (SFO) and Boston (BOS) in the current schedule, operated by United Airlines, JetBlue Airways, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SFO to BOS depart?** Scheduled SFO to BOS nonstops in the next 7 days with service leave between 07:00 and 23:20, 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 BOS nonstop?** The schedule table on this page lists 19 flight numbers for SFO to BOS nonstops, including UA 1372, UA 2356, and UA 2647 on United Airlines; B6 434 and B6 1034 on JetBlue Airways; and DL 400, DL 860, and DL 977 on Delta Air Lines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on SFO to BOS?** Open the SFO to BOS route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [BOS to SFO upgrade and award space](https://2lnr.com/routes/bos-sfo.md). Award seats rather than schedules? See [JetBlue Airways award availability](https://2lnr.com/awards/b6.md) or [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from San Francisco (SFO)](https://2lnr.com/routes/sfo.md), or [every route from Boston (BOS)](https://2lnr.com/routes/bos.md). Nonstops from San Francisco (SFO) to other airports within 150 miles of Boston (BOS): - [San Francisco (SFO) to Hartford (BDL)](https://2lnr.com/routes/sfo-bdl.md), 90 miles from BOS - [San Francisco (SFO) to South Portland Gardens (PWM)](https://2lnr.com/routes/sfo-pwm.md), 95 miles from BOS Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SFO to BOS upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. 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