Which airline is most reliable for JFK (New York) to LAS (Las Vegas)?

The most reliable airline on the JFK to LAS route is Southwest Airlines, with an on-time arrival rate of 80%.

How often are flights delayed from JFK to LAS?

About 24% of flights from JFK to LAS experience delays. 76% arrive on time.

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

When flights from JFK to LAS are delayed, the average delay is approximately 44 minutes.

JFK → LAS

JFK (New York) to LAS (Las Vegas)

JFK (New York) to LAS (Las Vegas) flights arrive on time 76% of the time. The most reliable airline on this route is Southwest Airlines at 80%. The average delay is 44 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated March 2026.

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JFK → LAS on-time performance by month

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This route is on time most of the time. About 76% of flights arrive on schedule.

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

Southwest Airlines edges out United Airlines on this route — 80% vs 75% on time.

Airline Comparison

Southwest Airlines leads at 80% on time; United Airlines trails at 75%.

JFK Airport LAS Airport

Check the return: LAS → JFK

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