--- title: "Boston (BOS) to San Antonio (SAT) flights: who flies it" description: "Delta Air Lines flies nonstop from BOS to SAT, about 11 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/bos-sat" url: "https://2lnr.com/routes/bos-sat.md" date_modified: "2026-10-18T05:10:47Z" --- # Boston to San Antonio (BOS-SAT): nonstop upgrade & award space Delta Air Lines flies the BOS to SAT nonstop about 11 times a week. In the timetable below it flies as DL 816 and DL 2652, scheduled at 4h 32m to 4h 53m for the 1,762 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 24, 2026. See BOS to SAT on the interactive map [Get started free](https://2lnr.com/login) 11 Flights a week, 4-week average 4h 32m to 4h 53m Scheduled flight time 1,762 mi Nonstop distance Free To get started ## Boston to San Antonio flight schedule Scheduled nonstop departures for BOS to SAT starting October 24, 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 Antonio (SAT) | Date | Flight | Airline | Departs BOS | Arrives SAT | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | [Airbus A220-300](https://2lnr.com/seatmaps/dl/a220-300.md) | | Sat, Oct 24 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Sun, Oct 25 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | Airbus A220-300 | | Sun, Oct 25 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Mon, Oct 26 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | Airbus A220-300 | | Mon, Oct 26 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Tue, Oct 27 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Wed, Oct 28 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | Airbus A220-300 | | Wed, Oct 28 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Thu, Oct 29 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | Airbus A220-300 | | Thu, Oct 29 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | | Fri, Oct 30 | DL 2652 | Delta Air Lines | 09:15 | 13:08 | 4h 53m | Airbus A220-300 | | Fri, Oct 30 | DL 816 | Delta Air Lines | 09:20 | 12:52 | 4h 32m | Airbus A220-300 | Showing all 13 scheduled BOS to SAT departures across 7 days with service, starting October 24, 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 BOS to SAT date on the interactive map ## Aircraft on the Boston to San Antonio nonstop Delta Air Lines flies the [Airbus A220-300](https://2lnr.com/seatmaps/dl/a220-300.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. ## Confirmed upgrade & award space on BOS to SAT departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Boston to San Antonio to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Delta Air Lines award space was open on 7 of the 13 Boston to San Antonio departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the BOS to SAT 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 SAT on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boston to San Antonio nonstop Carriers operating BOS to SAT nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [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 SAT on the interactive map → ## Frequently asked questions about BOS to SAT **How long is the flight from Boston (BOS) to San Antonio (SAT)?** Scheduled flight times from Boston (BOS) to San Antonio (SAT) run from 4h 32m to 4h 53m across the departures in the schedule table on this page. The nonstop covers about 1,762 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BOS to SAT?** Delta Air Lines is currently the only airline flying BOS to SAT nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from BOS to SAT?** About 11 nonstop flights a week run between Boston (BOS) and San Antonio (SAT) in the current schedule, operated by 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 SAT depart?** Scheduled BOS to SAT nonstops in the next 7 days with service leave between 09:15 and 09:20, 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 SAT nonstop?** In the schedule table on this page, BOS to SAT nonstops fly as DL 816 and DL 2652 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 SAT?** Open the BOS to SAT 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 [SAT to BOS upgrade and award space](https://2lnr.com/routes/sat-bos.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Boston (BOS)](https://2lnr.com/routes/bos.md), or [every route from San Antonio (SAT)](https://2lnr.com/routes/sat.md). Nonstops from Boston (BOS) to other airports within 150 miles of San Antonio (SAT): - [Boston (BOS) to Austin (AUS)](https://2lnr.com/routes/bos-aus.md), 66 miles from SAT 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 BOS to SAT 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)