SAN (San Diego) to ATL (Atlanta) flights arrive on time 82% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 69 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated July 2026.SAN → ATL
SAN (San Diego) to ATL (Atlanta)
SAN → ATL 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?
Delta Air Lines is significantly more reliable on this route at 85% on time vs Alaska Airlines at 69%.
Airline Comparison
Delta Air Lines leads at 85% on time; Alaska Airlines trails at 69%.
Accurate?
Good to know
Departing from SAN
77% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~11 min. Best time: 4 AM (about 5 min).
Arriving at ATL
80% on timeWhen flights into ATL are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~31 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 July 2026. Source: Bureau of Transportation Statistics.