SAT (San Antonio) to PHL (Philadelphia) flights arrive on time 75% of the time. The most reliable airline on this route is American Airlines at 75%. The average delay is 109 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.SAT → PHL
SAT (San Antonio) to PHL (Philadelphia)
SAT → PHL on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~30 min. Best time: 4 AM (about 5 min).
Arriving at PHL
77% on timeWhen flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~22 min right now. Allow at least 60 minutes for a domestic connection.
PHL has a 2.4% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what American Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of SAT? 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 August 2026. Source: Bureau of Transportation Statistics.