Which airline is most reliable for LAX (Los Angeles) to ATL (Atlanta)?

The most reliable airline on the LAX to ATL route is Southwest Airlines, with an on-time arrival rate of 88%.

How often are flights delayed from LAX to ATL?

About 21% of flights from LAX to ATL experience delays. 79% arrive on time.

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

When flights from LAX to ATL are delayed, the average delay is approximately 71 minutes.

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

With 79% of LAX to ATL flights arriving on time and an average delay of 71 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.

LAX → ATL

LAX (Los Angeles) to ATL (Atlanta)

LAX (Los Angeles) to ATL (Atlanta) flights arrive on time 79% of the time. The most reliable airline on this route is Southwest Airlines at 88%. The average delay is 71 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated April 2026.

LAX → ATL on-time performance by month

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This route is on time most of the time. About 79% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Southwest Airlines is significantly more reliable on this route at 88% on time vs Frontier Airlines at 41%.

Airline Comparison

Southwest Airlines leads at 88% on time; Frontier Airlines trails at 41%.

Accurate?

Good to know

Departing from LAX

82% on time

Expect ~18 min sitting on the taxiway after your gate pushes back. LAX has long runway queues.

TSA is currently ~20 min. Best time: 4 AM (about 5 min).

More about LAX →

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 ~23 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.