SAT (San Antonio) to SLC (Salt Lake City) flights arrive on time 85% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 96 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.SAT → SLC
SAT (San Antonio) to SLC (Salt Lake City)
SAT → SLC on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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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 airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~18 min. Best time: 4 AM (about 5 min).
Arriving at SLC
85% on timeWhen flights into SLC are late, the average delay is 70 minutes. Build buffer if you have ground plans.
If connecting at SLC: TSA is ~7 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.