Which airline is most reliable for SAN (San Diego) to ATL (Atlanta)?

The most reliable airline on the SAN to ATL route is Delta Air Lines, with an on-time arrival rate of 85%.

How often are flights delayed from SAN to ATL?

About 17% of flights from SAN to ATL experience delays. 83% arrive on time.

What's the average delay on SAN to ATL flights?

When flights from SAN to ATL are delayed, the average delay is approximately 67 minutes.

Is a short connection safe after a SAN to ATL flight?

With 83% of SAN to ATL flights arriving on time and an average delay of 67 minutes when late, a connection under 60 minutes at ATL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SAN → ATL

SAN (San Diego) to ATL (Atlanta)

SAN (San Diego) to ATL (Atlanta) flights arrive on time 83% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 67 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated April 2026.

SAN → ATL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

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This route is on time most of the time. About 83% 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 66%.

Airline Comparison

Delta Air Lines leads at 85% on time; Alaska Airlines trails at 66%.

Accurate?

Good to know

Departing from SAN

80% on time

Expect ~18 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).

More about SAN →

Arriving at ATL

83% on time

When flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.

If connecting at ATL: TSA is ~24 min right now. Allow at least 60 minutes for a domestic connection.

More about ATL →Connection times at ATL →

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Data last updated April 2026. Source: Bureau of Transportation Statistics.