Which airline is most reliable for LAS (Las Vegas) to RDU (Raleigh)?

The most reliable airline on the LAS to RDU route is Delta Air Lines, with an on-time arrival rate of 89%.

How often are flights delayed from LAS to RDU?

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

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

When flights from LAS to RDU are delayed, the average delay is approximately 50 minutes.

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

With 80% of LAS to RDU flights arriving on time and an average delay of 50 minutes when late, a connection under 60 minutes at RDU is risky. We recommend at least 75-90 minutes for domestic connections after this route.

LAS → RDU

LAS (Las Vegas) to RDU (Raleigh)

LAS (Las Vegas) to RDU (Raleigh) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 89%. The average delay is 50 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

LAS → RDU 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?

Delta Air Lines is significantly more reliable on this route at 89% on time vs Frontier Airlines at 70%.

Airline Comparison

Delta Air Lines leads at 89% on time; Frontier Airlines trails at 70%.

Accurate?

Good to know

Departing from LAS

80% on time

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

TSA is currently ~19 min. Best time: 4 AM (about 5 min).

More about LAS →

Arriving at RDU

79% on time

When flights into RDU are late, the average delay is 73 minutes. Build buffer if you have ground plans.

If connecting at RDU: TSA is ~28 min right now. Allow at least 60 minutes for a domestic connection.

More about RDU →Connection times at RDU →

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 RDU Airport

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