RDU (Raleigh) to SJU (San Juan) flights arrive on time 70% of the time. The most reliable airline on this route is JetBlue Airways at 75%. The average delay is 89 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.RDU → SJU
RDU (Raleigh) to SJU (San Juan)
RDU → SJU on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
JetBlue Airways edges out Frontier Airlines on this route — 75% vs 61% on time.
Airline Comparison
JetBlue Airways leads at 75% on time; Frontier Airlines trails at 61%.
Accurate?
Good to know
Departing from RDU
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. RDU has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SJU
75% on timeWhen flights into SJU are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at SJU: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated March 2026. Source: Bureau of Transportation Statistics.