JFK (New York) to SJC (San Jose) flights arrive on time 57% of the time. The most reliable airline on this route is JetBlue Airways at 57%. The average delay is 80 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.JFK → SJC
JFK (New York) to SJC (San Jose)
JFK → SJC on-time performance by month
23
24
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is frequently delayed. About 57% 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 JFK
78% on timeExpect ~23 min sitting on the taxiway after your gate pushes back. JFK has long runway queues.
TSA is currently ~35 min. Best time: 4 AM (about 5 min).
JFK cancels 2.4% of flights — higher than average. Have a backup plan.
Arriving at SJC
83% on timeWhen flights into SJC are late, the average delay is 55 minutes. Build buffer if you have ground plans.
If connecting at SJC: TSA is ~30 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what JetBlue Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of JFK? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.