SJU (San Juan) to DEN (Denver) flights arrive on time 75% of the time. The most reliable airline on this route is United Airlines at 74%. The average delay is 49 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated May 2026.SJU → DEN
SJU (San Juan) to DEN (Denver)
SJU → DEN on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
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Good to know
Departing from SJU
75% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. SJU has long runway queues.
TSA is currently ~19 min. Best time: 4 AM (about 7 min).
Arriving at DEN
78% on timeWhen flights into DEN are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.