SAT (San Antonio) to MIA (Miami) flights arrive on time 85% of the time. The most reliable airline on this route is American Airlines at 90%. The average delay is 80 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.SAT → MIA
SAT (San Antonio) to MIA (Miami)
SAT → MIA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
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?
American Airlines is significantly more reliable on this route at 90% on time vs null at 71%.
Airline Comparison
American Airlines leads at 90% on time; trails at 71%.
Accurate?
Good to know
Departing from SAT
80% on timeTSA is currently ~26 min. Best time: 4 AM (about 5 min).
Arriving at MIA
76% on timeWhen flights into MIA are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~25 min right now. Allow at least 60 minutes for a domestic connection.
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 October 2026. Source: Bureau of Transportation Statistics.