--- title: "Raleigh/Durham to San Juan flights: who flies RDU-SJU" description: "Delta Air Lines, JetBlue Airways and Frontier Airlines fly nonstop from RDU to SJU, about 5 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/rdu-sju" url: "https://2lnr.com/routes/rdu-sju.md" date_modified: "2026-10-18T05:10:47Z" --- # Raleigh/Durham to San Juan (RDU-SJU): nonstop upgrade & award space JetBlue Airways, Frontier Airlines, and Delta Air Lines fly the RDU to SJU nonstop about 5 times a week. The timetable below shows the nonstop scheduled at 3h 25m to 3h 32m for the 1,435 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 RDU to SJU on the interactive map [Get started free](https://2lnr.com/login) 5 Flights a week, 4-week average 3h 25m to 3h 32m Scheduled flight time 1,435 mi Nonstop distance Free To get started ## Raleigh/Durham to San Juan flight schedule Scheduled nonstop departures for RDU to SJU 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 Raleigh/Durham (RDU) to San Juan (SJU) | Date | Flight | Airline | Departs RDU | Arrives SJU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | B6 1903 | JetBlue Airways | 17:30 | 21:02 | 3h 32m | [Airbus A320](https://2lnr.com/seatmaps/b6/a320.md) | | Sat, Oct 24 | B6 1903 | JetBlue Airways | 17:30 | 21:02 | 3h 32m | Airbus A320 | | Sun, Oct 25 | B6 1903 | JetBlue Airways | 18:30 | 21:57 | 3h 27m | Airbus A320 | | Mon, Oct 26 | B6 1903 | JetBlue Airways | 18:30 | 21:57 | 3h 27m | Airbus A320 | | Thu, Oct 29 | B6 1903 | JetBlue Airways | 18:58 | 22:23 | 3h 25m | Airbus A320 | | Fri, Oct 30 | B6 1903 | JetBlue Airways | 18:30 | 21:57 | 3h 27m | Airbus A320 | | Sat, Oct 31 | B6 1903 | JetBlue Airways | 18:30 | 21:57 | 3h 27m | Airbus A320 | Showing all 7 scheduled RDU to SJU 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 RDU to SJU date on the interactive map ## Aircraft on the Raleigh/Durham to San Juan nonstop JetBlue Airways flies the [Airbus A320](https://2lnr.com/seatmaps/b6/a320.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 RDU to SJU departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Raleigh/Durham to San Juan to see which departures have space, the next 14 days free on every product and the full horizon on Pro. JetBlue Airways award space was open on 7 of the 10 Raleigh/Durham to San Juan 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 RDU to SJU 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 RDU to SJU on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Raleigh/Durham to San Juan nonstop Carriers operating RDU to SJU 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) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.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 RDU to SJU on the interactive map → ## Frequently asked questions about RDU to SJU **How long is the flight from Raleigh/Durham (RDU) to San Juan (SJU)?** Scheduled flight times from Raleigh/Durham (RDU) to San Juan (SJU) run from 3h 25m to 3h 32m across the departures in the schedule table on this page. The nonstop covers about 1,435 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from RDU to SJU?** JetBlue Airways, Frontier Airlines, and Delta Air Lines fly RDU to SJU 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 RDU to SJU?** About 5 nonstop flights a week run between Raleigh/Durham (RDU) and San Juan (SJU) in the current schedule, operated by JetBlue Airways, Frontier 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 RDU to SJU depart?** Scheduled RDU to SJU nonstops in the next 7 days with service leave between 17:30 and 18:58, local time at Raleigh/Durham. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate RDU to SJU nonstop?** JetBlue Airways flies B6 1903 nonstop from Raleigh/Durham (RDU) to San Juan (SJU), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check upgrade or award availability on RDU to SJU?** Open the RDU to SJU 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 [SJU to RDU upgrade and award space](https://2lnr.com/routes/sju-rdu.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 Raleigh/Durham (RDU)](https://2lnr.com/routes/rdu.md), or [every route from San Juan (SJU)](https://2lnr.com/routes/sju.md). Nonstops to San Juan (SJU) from other airports within 150 miles of Raleigh/Durham (RDU): - [Charlotte (CLT) to San Juan (SJU)](https://2lnr.com/routes/clt-sju.md), 130 miles from RDU - [Richmond (RIC) to San Juan (SJU)](https://2lnr.com/routes/ric-sju.md), 139 miles from RDU 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 RDU to SJU 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)