SAN (San Diego) to DTW (Detroit) flights arrive on time 86% of the time. The most reliable airline on this route is Delta Air Lines at 86%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.SAN → DTW
SAN (San Diego) to DTW (Detroit)
SAN → DTW on-time performance by month
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This route is usually on time. About 86% 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 86% on time vs Spirit Airlines at 67%.
Airline Comparison
Delta Air Lines leads at 86% on time; Spirit Airlines trails at 67%.
Accurate?
Good to know
Departing from SAN
78% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~24 min. Best time: 4 AM (about 5 min).
Arriving at DTW
81% on timeWhen flights into DTW are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at DTW: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Flying out of SAN? 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.