EWR (Newark) to SAT (San Antonio) flights arrive on time 85% of the time. The most reliable airline on this route is Spirit Airlines at 85%. The average delay is 65 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.EWR → SAT
EWR (Newark) to SAT (San Antonio)
EWR → SAT on-time performance by month
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This route is usually on time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Spirit Airlines leads slightly at 85% vs United Airlines at 85%.
Airline Comparison
Spirit Airlines leads at 85% on time; United Airlines trails at 85%.
Accurate?
Good to know
Departing from EWR
78% on timeExpect ~22 min sitting on the taxiway after your gate pushes back. EWR has long runway queues.
TSA is currently ~36 min. Best time: 4 AM (about 5 min).
EWR cancels 2.8% of flights — higher than average. Have a backup plan.
Arriving at SAT
80% on timeWhen flights into SAT are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at SAT: TSA is ~26 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Spirit Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of EWR? 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.