PHL (Philadelphia) to SAT (San Antonio) flights arrive on time 78% of the time. The most reliable airline on this route is American Airlines at 78%. The average delay is 68 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.PHL → SAT
PHL (Philadelphia) to SAT (San Antonio)
PHL → SAT on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
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Good to know
Departing from PHL
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. PHL has long runway queues.
TSA is currently ~31 min. Best time: 4 AM (about 5 min).
Arriving at SAT
81% on timeWhen flights into SAT are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at SAT: TSA is ~18 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.