SLC (Salt Lake City) to SAN (San Diego) flights arrive on time 82% of the time. The most reliable airline on this route is Frontier Airlines at 97%. The average delay is 60 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SLC → SAN
SLC (Salt Lake City) to SAN (San Diego)
SLC → SAN on-time performance by month
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This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Frontier Airlines is significantly more reliable on this route at 97% on time vs Southwest Airlines at 76%.
Airline Comparison
Frontier Airlines leads at 97% on time; Southwest Airlines trails at 76%.
Accurate?
Good to know
Departing from SLC
85% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. SLC has long runway queues.
TSA is currently ~6 min. Best time: 4 AM (about 5 min).
Arriving at SAN
80% on timeWhen flights into SAN are late, the average delay is 60 minutes. Build buffer if you have ground plans.
If connecting at SAN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.