--- title: "San Diego (SAN) to Boston (BOS) flights: who flies it" description: "Alaska Airlines, Delta Air Lines and JetBlue Airways fly nonstop from SAN to BOS, about 40 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/san-bos" url: "https://2lnr.com/routes/san-bos.md" date_modified: "2026-10-18T05:10:47Z" --- # San Diego to Boston (SAN-BOS): nonstop upgrade & award space JetBlue Airways, Alaska Airlines, and Delta Air Lines fly nonstop between San Diego (SAN) and Boston (BOS), roughly 40 times a week. The timetable below shows the nonstop scheduled at 5h 34m to 6h 12m for the 2,582 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines and 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 24, 2026. See SAN to BOS on the interactive map [Get started free](https://2lnr.com/login) 40 Flights a week, 4-week average 5h 34m to 6h 12m Scheduled flight time 2,582 mi Nonstop distance Free To get started ## San Diego to Boston flight schedule Scheduled nonstop departures for SAN 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 Diego (SAN) to Boston (BOS) | Date | Flight | Airline | Departs SAN | Arrives BOS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) | | Fri, Oct 23 | B6 620 | JetBlue Airways | 11:19 | 20:15 | 5h 56m | 32S | | Fri, Oct 23 | B6 220 | JetBlue Airways | 13:46 | 22:58 | 6h 12m | 32S | | Fri, Oct 23 | B6 2120 | JetBlue Airways | 20:20 | 05:26 | 6h 6m | [Airbus A321neo family](https://2lnr.com/seatmaps/b6/a321neo.md) | | Fri, Oct 23 | AS 255 | Alaska Airlines, Inc. | 20:34 | 05:21 | 5h 47m | Boeing 737 MAX 9 | | Fri, Oct 23 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | [Airbus A321neo family](https://2lnr.com/seatmaps/dl/a321neo.md) | | Sat, Oct 24 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Sat, Oct 24 | B6 220 | JetBlue Airways | 14:45 | 23:57 | 6h 12m | 32S | | Sat, Oct 24 | B6 2120 | JetBlue Airways | 20:20 | 05:26 | 6h 6m | 32S | | Sat, Oct 24 | AS 255 | Alaska Airlines, Inc. | 20:34 | 05:21 | 5h 47m | Boeing 737 MAX 9 | | Sat, Oct 24 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | Airbus A321neo family | | Sun, Oct 25 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Sun, Oct 25 | B6 620 | JetBlue Airways | 11:41 | 20:29 | 5h 48m | 32S | | Sun, Oct 25 | B6 220 | JetBlue Airways | 14:07 | 23:00 | 5h 53m | 32S | | Sun, Oct 25 | B6 2120 | JetBlue Airways | 20:26 | 05:00 | 5h 34m | 32S | | Sun, Oct 25 | AS 255 | Alaska Airlines, Inc. | 20:41 | 05:28 | 5h 47m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Sun, Oct 25 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | Airbus A321neo family | | Mon, Oct 26 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Mon, Oct 26 | B6 620 | JetBlue Airways | 10:18 | 18:59 | 5h 41m | 32S | | Mon, Oct 26 | B6 220 | JetBlue Airways | 14:07 | 23:00 | 5h 53m | 32S | | Mon, Oct 26 | B6 2120 | JetBlue Airways | 20:26 | 05:00 | 5h 34m | 32S | | Mon, Oct 26 | AS 255 | Alaska Airlines, Inc. | 20:41 | 05:28 | 5h 47m | Boeing 737-900 | | Mon, Oct 26 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | Airbus A321neo family | | Tue, Oct 27 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Tue, Oct 27 | B6 620 | JetBlue Airways | 11:41 | 20:29 | 5h 48m | 32S | | Tue, Oct 27 | B6 220 | JetBlue Airways | 14:07 | 23:00 | 5h 53m | 32S | | Tue, Oct 27 | B6 2120 | JetBlue Airways | 20:26 | 05:00 | 5h 34m | 32S | | Tue, Oct 27 | AS 255 | Alaska Airlines, Inc. | 20:41 | 05:28 | 5h 47m | Boeing 737-900 | | Tue, Oct 27 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | Airbus A321neo family | | Wed, Oct 28 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Wed, Oct 28 | B6 620 | JetBlue Airways | 11:41 | 20:29 | 5h 48m | 32S | | Wed, Oct 28 | B6 220 | JetBlue Airways | 14:07 | 23:00 | 5h 53m | 32S | | Wed, Oct 28 | B6 2120 | JetBlue Airways | 20:26 | 05:00 | 5h 34m | 32S | | Wed, Oct 28 | AS 255 | Alaska Airlines, Inc. | 20:41 | 05:28 | 5h 47m | Boeing 737-900 | | Wed, Oct 28 | DL 571 | Delta Air Lines | 21:53 | 06:35 | 5h 42m | Airbus A321neo family | | Thu, Oct 29 | AS 389 | Alaska Airlines, Inc. | 08:15 | 17:07 | 5h 52m | Boeing 737 MAX 9 | | Thu, Oct 29 | B6 620 | JetBlue Airways | 11:41 | 20:29 | 5h 48m | 32S | | Thu, Oct 29 | B6 220 | JetBlue Airways | 14:07 | 23:00 | 5h 53m | 32S | | Thu, Oct 29 | B6 2120 | JetBlue Airways | 20:26 | 05:00 | 5h 34m | 32S | | Thu, Oct 29 | AS 255 | Alaska Airlines, Inc. | 20:41 | 05:28 | 5h 47m | Boeing 737 MAX 9 | Showing the first 40 of 41 scheduled SAN 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 SAN to BOS date on the interactive map ## Aircraft on the San Diego to Boston nonstop In the schedule table on this page, JetBlue Airways flies the Airbus A320 family and the [Airbus A321neo family](https://2lnr.com/seatmaps/b6/a321neo.md). Alaska Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) and the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.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 SAN to BOS departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for San Diego 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 Diego to Boston departures from October 19 to November 1. JetBlue Airways had space open on 14 of 14 dates checked, Alaska Airlines on 6 of 14 and Delta Air Lines on 12 of 14. ### See real availability Confirmed upgrade or award seats by date on the SAN 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 SAN to BOS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Diego to Boston nonstop Carriers operating SAN to BOS nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [JetBlue Airways (B6) route map](https://2lnr.com/routes/airlines/b6.md)\ [The aircraft B6 flies](https://2lnr.com/seatmaps/b6.md) - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.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 SAN to BOS on the interactive map → ## Frequently asked questions about SAN to BOS **How long is the flight from San Diego (SAN) to Boston (BOS)?** Scheduled flight times from San Diego (SAN) to Boston (BOS) run from 5h 34m to 6h 12m across the departures in the schedule table on this page. The nonstop covers about 2,582 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SAN to BOS?** JetBlue Airways, Alaska Airlines, and Delta Air Lines fly SAN to BOS nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, and award seats on JetBlue Airways. **How many flights a week are there from SAN to BOS?** About 40 nonstop flights a week run between San Diego (SAN) and Boston (BOS) in the current schedule, operated by JetBlue Airways, Alaska Airlines, 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 SAN to BOS depart?** Scheduled SAN to BOS nonstops in the next 7 days with service leave between 08:15 and 21:53, local time at San Diego. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SAN to BOS nonstop?** In the schedule table on this page, SAN to BOS nonstops fly as B6 220, B6 620, and B6 2120 on JetBlue Airways; AS 255 and AS 389 on Alaska Airlines; and DL 571 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 SAN to BOS?** Open the SAN to BOS route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and 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 SAN upgrade and award space](https://2lnr.com/routes/bos-san.md). Award seats rather than schedules? See [JetBlue Airways award availability](https://2lnr.com/awards/b6.md) or [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from San Diego (SAN)](https://2lnr.com/routes/san.md), or [every route from Boston (BOS)](https://2lnr.com/routes/bos.md). Nonstops to Boston (BOS) from other airports within 150 miles of San Diego (SAN): - [Los Angeles (LAX) to Boston (BOS)](https://2lnr.com/routes/lax-bos.md), 110 miles from SAN Nonstops from San Diego (SAN) to other airports within 150 miles of Boston (BOS): - [San Diego (SAN) to Hartford (BDL)](https://2lnr.com/routes/san-bdl.md), 90 miles from BOS Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SAN 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. [Get started free](https://2lnr.com/login)