--- title: "Boston (BOS) to San Diego (SAN) flights: who flies it" description: "Alaska Airlines, Delta Air Lines and JetBlue Airways fly nonstop from BOS to SAN, about 40 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/bos-san" url: "https://2lnr.com/routes/bos-san.md" date_modified: "2026-10-18T05:10:47Z" --- # Boston to San Diego (BOS-SAN): nonstop upgrade & award space JetBlue Airways, Alaska Airlines, and Delta Air Lines fly nonstop between Boston (BOS) and San Diego (SAN), roughly 40 times a week. The timetable below shows the nonstop scheduled at 6h 9m to 6h 31m 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 22, 2026. See BOS to SAN on the interactive map [Get started free](https://2lnr.com/login) 40 Flights a week, 4-week average 6h 9m to 6h 31m Scheduled flight time 2,582 mi Nonstop distance Free To get started ## Boston to San Diego flight schedule Scheduled nonstop departures for BOS to SAN 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 Boston (BOS) to San Diego (SAN) | Date | Flight | Airline | Departs BOS | Arrives SAN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | B6 619 | JetBlue Airways | 07:00 | 10:09 | 6h 9m | 32S | | Thu, Oct 22 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Thu, Oct 22 | B6 219 | JetBlue Airways | 09:26 | 12:36 | 6h 10m | 32S | | Thu, Oct 22 | B6 319 | JetBlue Airways | 15:35 | 18:46 | 6h 11m | 32S | | Thu, Oct 22 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | [Airbus A321neo family](https://2lnr.com/seatmaps/dl/a321neo.md) | | Thu, Oct 22 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) | | Fri, Oct 23 | B6 619 | JetBlue Airways | 07:00 | 10:09 | 6h 9m | 32S | | Fri, Oct 23 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | Boeing 737-900 | | Fri, Oct 23 | B6 219 | JetBlue Airways | 09:26 | 12:36 | 6h 10m | 32S | | Fri, Oct 23 | B6 319 | JetBlue Airways | 15:35 | 18:46 | 6h 11m | 32S | | Fri, Oct 23 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | | Fri, Oct 23 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | Boeing 737 MAX 9 | | Sat, Oct 24 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md) | | Sat, Oct 24 | B6 219 | JetBlue Airways | 10:00 | 13:13 | 6h 13m | 32S | | Sat, Oct 24 | B6 319 | JetBlue Airways | 15:35 | 18:46 | 6h 11m | 32S | | Sat, Oct 24 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | | Sat, Oct 24 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | Boeing 737 MAX 9 | | Sun, Oct 25 | B6 619 | JetBlue Airways | 07:00 | 10:31 | 6h 31m | 32S | | Sun, Oct 25 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | Boeing 737 MAX 9 | | Sun, Oct 25 | B6 219 | JetBlue Airways | 09:30 | 12:56 | 6h 26m | 32S | | Sun, Oct 25 | B6 319 | JetBlue Airways | 15:50 | 19:14 | 6h 24m | 32S | | Sun, Oct 25 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | | Sun, Oct 25 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | Boeing 737 MAX 9 | | Mon, Oct 26 | B6 619 | JetBlue Airways | 07:00 | 10:31 | 6h 31m | 32S | | Mon, Oct 26 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | Boeing 737-900 | | Mon, Oct 26 | B6 219 | JetBlue Airways | 09:30 | 12:56 | 6h 26m | 32S | | Mon, Oct 26 | B6 319 | JetBlue Airways | 15:50 | 19:14 | 6h 24m | 32S | | Mon, Oct 26 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | | Mon, Oct 26 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | Boeing 737 MAX 9 | | Tue, Oct 27 | B6 619 | JetBlue Airways | 07:00 | 10:31 | 6h 31m | 32S | | Tue, Oct 27 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | Boeing 737-900 | | Tue, Oct 27 | B6 219 | JetBlue Airways | 09:30 | 12:56 | 6h 26m | 32S | | Tue, Oct 27 | B6 319 | JetBlue Airways | 15:50 | 19:14 | 6h 24m | 32S | | Tue, Oct 27 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | | Tue, Oct 27 | AS 389 | Alaska Airlines, Inc. | 18:14 | 21:35 | 6h 21m | Boeing 737 MAX 9 | | Wed, Oct 28 | B6 619 | JetBlue Airways | 07:00 | 10:31 | 6h 31m | 32S | | Wed, Oct 28 | AS 256 | Alaska Airlines, Inc. | 07:51 | 11:09 | 6h 18m | Boeing 737 MAX 9 | | Wed, Oct 28 | B6 219 | JetBlue Airways | 09:30 | 12:56 | 6h 26m | 32S | | Wed, Oct 28 | B6 319 | JetBlue Airways | 15:50 | 19:14 | 6h 24m | 32S | | Wed, Oct 28 | DL 571 | Delta Air Lines | 17:10 | 20:28 | 6h 18m | Airbus A321neo family | Showing the first 40 of 41 scheduled BOS to SAN 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 BOS to SAN date on the interactive map ## Aircraft on the Boston to San Diego nonstop In the schedule table on this page, JetBlue Airways flies the Airbus A320 family. Alaska Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md), the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md), and the [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.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 BOS to SAN 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 Boston to San Diego 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 Boston to San Diego departures from October 19 to November 1. JetBlue Airways had space open on 12 of 14 dates checked, Alaska Airlines on 3 of 14 and Delta Air Lines on 6 of 12. ### See real availability Confirmed upgrade or award seats by date on the BOS to SAN 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 BOS to SAN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boston to San Diego nonstop Carriers operating BOS to SAN 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 BOS to SAN on the interactive map → ## Frequently asked questions about BOS to SAN **How long is the flight from Boston (BOS) to San Diego (SAN)?** Scheduled flight times from Boston (BOS) to San Diego (SAN) run from 6h 9m to 6h 31m 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 BOS to SAN?** JetBlue Airways, Alaska Airlines, and Delta Air Lines fly BOS to SAN 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 BOS to SAN?** About 40 nonstop flights a week run between Boston (BOS) and San Diego (SAN) 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 BOS to SAN depart?** Scheduled BOS to SAN nonstops in the next 7 days with service leave between 07:00 and 18:14, local time at Boston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BOS to SAN nonstop?** In the schedule table on this page, BOS to SAN nonstops fly as B6 219, B6 319, and B6 619 on JetBlue Airways; AS 256 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 BOS to SAN?** Open the BOS to SAN 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 [SAN to BOS upgrade and award space](https://2lnr.com/routes/san-bos.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 Boston (BOS)](https://2lnr.com/routes/bos.md), or [every route from San Diego (SAN)](https://2lnr.com/routes/san.md). Nonstops from Boston (BOS) to other airports within 150 miles of San Diego (SAN): - [Boston (BOS) to Los Angeles (LAX)](https://2lnr.com/routes/bos-lax.md), 110 miles from SAN 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 BOS to SAN 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)