SJC (San Jose) to ORD (Chicago) flights arrive on time 93% of the time. The most reliable airline on this route is United Airlines at 93%. The average delay is 67 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.SJC → ORD
SJC (San Jose) to ORD (Chicago)
SJC → ORD on-time performance by month
24
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 93% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from SJC
84% on timeTSA is currently ~8 min. Best time: 4 AM (about 5 min).
Arriving at ORD
75% on timeWhen flights into ORD are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at ORD: TSA is ~10 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of SJC? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
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Data last updated August 2026. Source: Bureau of Transportation Statistics.