RDU → SJURaleigh/Durham to San Juan

live

Direct flights from Raleigh/Durham (RDU) to San Juan (SJU): 8 nonstop departures observed each week across 2 airlines. 60% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes late. No cancellations were recorded across the 5 tracked flights. The nonstop covers 2,310 km, an estimated 3 hours 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Raleigh/Durham and San Juan. Updated 8 September 2026 at 10:33 UTC.

RDU Raleigh/Durham busy · +28
SJU San Juan smooth · +0
2,310 km · ~3h 28m est.
dep bank 19:56–20:158x weekly
Runs mixed · 2 airlines · 8x weekly · nonstop
60% on time

of the last 5 operated RDU → SJU flights arrived within 15 minutes

Median arrival delay is +9 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+9 minacross the last 5 operated legs
Flight time~3h 28mestimated from route distance
Weekly departures8x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesJetBlue Airways

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Frontier AirlinesF9

Flights F91226 20:15 Th Su

JetBlue AirwaysB6

Flights B61903 19:56 Mo Tu Th Fr Sa Su

History

operated legs · board outcomes
09-07B61903dep +75 → arr+46
09-06B61903dep +107 → arr+77
09-06F91226dep +8 → arr−35
09-05B61903dep +38 → arr+9
09-04B61903dep +23 → arr−19

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
RDURaleigh/Durham +28 min busy 🌤 mostly cloudy · WSW 5 kt Full RDU delay board →
SJUSan Juan +0 min smooth 🌤 scattered clouds · SE 3 kt Full SJU delay board →

Weather lens

Current conditions put the pressure at SJU: 45% odds of a 15+ minute delay and around +15 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Raleigh/Durham to San Juan route actually runs

Pro Flight Search records official board updates for nonstop RDU to SJU flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Raleigh/Durham (RDU) to San Juan (SJU) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/RDU-SJU
How we measure this →

RDU to SJU questions

Is RDU–SJU running on time right now?

Mostly on schedule. The departure side at RDU is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on RDU–SJU?

Operators schedule evening departures around 19:56 from RDU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SJU delay card to confirm conditions when you'd arrive.

How long is the flight from RDU to SJU?

Great-circle distance is 2,310 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 193–228 min gate-to-gate on this route.

How often does RDU–SJU fly?

2 carriers operate this route, around 8 flights a week between them. Compare carrier days and times in the airline list above.