Which airline is most reliable for LAS (Las Vegas) to PHL (Philadelphia)?

The most reliable airline on the LAS to PHL route is American Airlines, with an on-time arrival rate of 84%.

How often are flights delayed from LAS to PHL?

About 20% of flights from LAS to PHL experience delays. 80% arrive on time.

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

When flights from LAS to PHL are delayed, the average delay is approximately 73 minutes.

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

With 80% of LAS to PHL flights arriving on time and an average delay of 73 minutes when late, a connection under 60 minutes at PHL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

LAS → PHL

LAS (Las Vegas) to PHL (Philadelphia)

LAS (Las Vegas) to PHL (Philadelphia) flights arrive on time 80% of the time. The most reliable airline on this route is American Airlines at 84%. The average delay is 73 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

LAS → PHL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 80% of flights arrive on schedule.

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

Accurate?

American Airlines is significantly more reliable on this route at 84% on time vs Frontier Airlines at 66%.

Airline Comparison

American Airlines leads at 84% on time; Frontier Airlines trails at 66%.

Accurate?

Good to know

Departing from LAS

78% on time

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

TSA is currently ~25 min. Best time: 4 AM (about 5 min).

More about LAS →

Arriving at PHL

77% on time

When flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.

If connecting at PHL: TSA is ~17 min right now. Allow at least 60 minutes for a domestic connection.

PHL has a 2.1% cancellation rate — keep the airline app handy for rebooking.

More about PHL →Connection times at PHL →

Flight cancelled or delayed?

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Flying out of LAS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

LAS Airport PHL Airport

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