SAT (San Antonio) to DFW (Dallas) flights arrive on time 74% of the time. The most reliable airline on this route is null at 77%. The average delay is 92 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.SAT → DFW
SAT (San Antonio) to DFW (Dallas)
SAT → DFW on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is delayed fairly often. About 74% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
null edges out Spirit Airlines on this route — 77% vs 68% on time.
Airline Comparison
leads at 77% on time; Spirit Airlines trails at 68%.
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DFW
77% on timeWhen flights into DFW are late, the average delay is 80 minutes. Build buffer if you have ground plans.
If connecting at DFW: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
DFW has a 2.5% cancellation rate — keep the airline app handy for rebooking.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.