--- title: "Boston (BOS) to Cancun (CUN) flights: who flies it" description: "Delta Air Lines, American Airlines and JetBlue Airways fly nonstop from BOS to CUN, about 12 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/bos-cun" url: "https://2lnr.com/routes/bos-cun.md" date_modified: "2026-10-18T05:10:47Z" --- # Boston to Cancun (BOS-CUN): nonstop upgrade & award space JetBlue Airways, Delta Air Lines, and American Airlines fly the BOS to CUN nonstop about 12 times a week. The timetable below shows the nonstop scheduled at 4h 19m to 4h 43m for the 1,737 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines and American Airlines 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 BOS to CUN on the interactive map [Get started free](https://2lnr.com/login) 12 Flights a week, 4-week average 4h 19m to 4h 43m Scheduled flight time 1,737 mi Nonstop distance Free To get started ## Boston to Cancun flight schedule Scheduled nonstop departures for BOS to CUN 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 Boston (BOS) to Cancun (CUN) | Date | Flight | Airline | Departs BOS | Arrives CUN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | DL 627 | Delta Air Lines | 08:57 | 12:25 | 4h 28m | [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md) | | Fri, Oct 23 | B6 771 | JetBlue Airways | 09:47 | 13:17 | 4h 30m | [Airbus A320](https://2lnr.com/seatmaps/b6/a320.md) | | Sat, Oct 24 | DL 627 | Delta Air Lines | 08:57 | 12:25 | 4h 28m | Boeing 737-800 | | Sat, Oct 24 | B6 771 | JetBlue Airways | 09:47 | 13:17 | 4h 30m | Airbus A320 | | Sun, Oct 25 | DL 627 | Delta Air Lines | 09:11 | 12:30 | 4h 19m | Boeing 737-800 | | Sun, Oct 25 | B6 771 | JetBlue Airways | 09:32 | 13:15 | 4h 43m | Airbus A320 | | Mon, Oct 26 | DL 627 | Delta Air Lines | 09:11 | 12:30 | 4h 19m | Boeing 737-800 | | Mon, Oct 26 | B6 771 | JetBlue Airways | 09:32 | 13:15 | 4h 43m | [Airbus A321](https://2lnr.com/seatmaps/b6/a321.md) | | Tue, Oct 27 | DL 627 | Delta Air Lines | 09:11 | 12:30 | 4h 19m | Boeing 737-800 | | Wed, Oct 28 | DL 627 | Delta Air Lines | 09:11 | 12:30 | 4h 19m | Boeing 737-800 | | Thu, Oct 29 | DL 627 | Delta Air Lines | 09:11 | 12:30 | 4h 19m | Boeing 737-800 | | Thu, Oct 29 | B6 771 | JetBlue Airways | 09:32 | 13:15 | 4h 43m | Airbus A320 | Showing all 12 scheduled BOS to CUN departures across 7 days with service, starting October 23, 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 CUN date on the interactive map ## Aircraft on the Boston to Cancun nonstop In the schedule table on this page, Delta Air Lines flies the [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md), and JetBlue Airways flies the [Airbus A320](https://2lnr.com/seatmaps/b6/a320.md) and the [Airbus A321](https://2lnr.com/seatmaps/b6/a321.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 CUN departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines and American Airlines, segment by segment and date by date. Open the calendar for Boston to Cancun 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 Cancun departures from October 19 to November 1. JetBlue Airways had space open on 2 of 10 dates checked and Delta Air Lines on 0 of 2. ### See real availability Confirmed upgrade or award seats by date on the BOS to CUN 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 CUN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boston to Cancun nonstop Carriers operating BOS to CUN 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) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) See BOS to CUN on the interactive map → ## Frequently asked questions about BOS to CUN **How long is the flight from Boston (BOS) to Cancun (CUN)?** Scheduled flight times from Boston (BOS) to Cancun (CUN) run from 4h 19m to 4h 43m across the departures in the schedule table on this page. The nonstop covers about 1,737 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BOS to CUN?** JetBlue Airways, Delta Air Lines, and American Airlines fly BOS to CUN nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and American Airlines, and award seats on JetBlue Airways. **How many flights a week are there from BOS to CUN?** About 12 nonstop flights a week run between Boston (BOS) and Cancun (CUN) in the current schedule, operated by JetBlue Airways, Delta Air Lines, and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from BOS to CUN depart?** Scheduled BOS to CUN nonstops in the next 7 days with service leave between 08:57 and 09:47, 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 CUN nonstop?** In the schedule table on this page, BOS to CUN nonstops fly as DL 627 on Delta Air Lines and B6 771 on JetBlue Airways. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on BOS to CUN?** Open the BOS to CUN route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines and American Airlines, 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 [CUN to BOS upgrade and award space](https://2lnr.com/routes/cun-bos.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 Boston (BOS)](https://2lnr.com/routes/bos.md), or [every route from Cancun (CUN)](https://2lnr.com/routes/cun.md). - [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 CUN 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)