DEN (Denver) to SJU (San Juan) flights arrive on time 76% of the time. The most reliable airline on this route is United Airlines at 75%. The average delay is 52 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated August 2026.DEN → SJU
DEN (Denver) to SJU (San Juan)
DEN → SJU on-time performance by month
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This route is on time most of the time. About 76% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Accurate?
Good to know
Departing from DEN
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. DEN has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SJU
76% 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 ~8 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Flying out of DEN? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated August 2026. Source: Bureau of Transportation Statistics.