Which airline is most reliable for GRR (Grand Rapids) to LAS (Las Vegas)?

The most reliable airline on the GRR to LAS route is Southwest Airlines, with an on-time arrival rate of 82%.

How often are flights delayed from GRR to LAS?

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

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

When flights from GRR to LAS are delayed, the average delay is approximately 78 minutes.

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

With 80% of GRR to LAS flights arriving on time and an average delay of 78 minutes when late, a connection under 60 minutes at LAS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

GRR → LAS

GRR (Grand Rapids) to LAS (Las Vegas)

GRR (Grand Rapids) to LAS (Las Vegas) flights arrive on time 80% of the time. The most reliable airline on this route is Southwest Airlines at 82%. The average delay is 78 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated May 2026.

GRR → LAS 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?

Airlines are roughly equal on this route — Southwest Airlines leads slightly at 82% vs Allegiant Air at 78%.

Airline Comparison

Southwest Airlines leads at 82% on time; Allegiant Air trails at 78%.

Accurate?

Good to know

Departing from GRR

80% on time

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

TSA is currently ~13 min. Best time: 4 AM (about 5 min).

More about GRR →

Arriving at LAS

77% on time

When flights into LAS are late, the average delay is 62 minutes. Build buffer if you have ground plans.

If connecting at LAS: TSA is ~15 min right now. Allow at least 60 minutes for a domestic connection.

More about LAS →Connection times at LAS →

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