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

The most reliable airline on the ATL to LAX route is Spirit Airlines, with an on-time arrival rate of 81%.

How often are flights delayed from ATL to LAX?

About 22% of flights from ATL to LAX experience delays. 78% arrive on time.

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

When flights from ATL to LAX are delayed, the average delay is approximately 66 minutes.

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

With 78% of ATL to LAX flights arriving on time and an average delay of 66 minutes when late, a connection under 60 minutes at LAX is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ATL → LAX

ATL (Atlanta) to LAX (Los Angeles)

ATL (Atlanta) to LAX (Los Angeles) flights arrive on time 78% of the time. The most reliable airline on this route is Spirit Airlines at 81%. The average delay is 66 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated July 2026.

ATL → LAX on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

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This route is on time most of the time. About 78% of flights arrive on schedule.

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

Accurate?

Spirit Airlines is significantly more reliable on this route at 81% on time vs Southwest Airlines at 57%.

Airline Comparison

Spirit Airlines leads at 81% on time; Southwest Airlines trails at 57%.

Accurate?

Good to know

Departing from ATL

80% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.

TSA is currently ~30 min. Best time: 4 AM (about 5 min).

More about ATL →

Arriving at LAX

82% on time

When flights into LAX are late, the average delay is 70 minutes. Build buffer if you have ground plans.

If connecting at LAX: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.

More about LAX →Connection times at LAX →

Flight cancelled or delayed?

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ATL Airport LAX Airport

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