SAN (San Diego) to DTW (Detroit) 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 55 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SAN → DTW
SAN (San Diego) to DTW (Detroit)
SAN → DTW on-time performance by month
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This route is on time most of the time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines is significantly more reliable on this route at 85% on time vs Spirit Airlines at 67%.
Airline Comparison
Delta Air Lines leads at 85% on time; Spirit Airlines trails at 67%.
Accurate?
Good to know
Departing from SAN
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DTW
84% on timeWhen flights into DTW are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at DTW: TSA is ~8 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.