Which airline is most reliable for PHL (Philadelphia) to LAX (Los Angeles)?

The most reliable airline on the PHL to LAX route is Spirit Airlines, with an on-time arrival rate of 83%.

How often are flights delayed from PHL to LAX?

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

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

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

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

With 78% of PHL to LAX flights arriving on time and an average delay of 71 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.

PHL → LAX

PHL (Philadelphia) to LAX (Los Angeles)

PHL (Philadelphia) to LAX (Los Angeles) flights arrive on time 78% of the time. The most reliable airline on this route is Spirit Airlines at 83%. 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.

PHL → LAX on-time performance by month

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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 83% on time vs Frontier Airlines at 63%.

Airline Comparison

Spirit Airlines leads at 83% on time; Frontier Airlines trails at 63%.

Accurate?

Good to know

Departing from PHL

79% on time

Expect ~19 min sitting on the taxiway after your gate pushes back. PHL has long runway queues.

TSA is currently ~16 min. Best time: 4 AM (about 5 min).

More about PHL →

Arriving at LAX

82% on time

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

If connecting at LAX: TSA is ~20 min right now. Allow at least 60 minutes for a domestic connection.

More about LAX →Connection times at LAX →

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