Which airline is most reliable for RAP (Rapid City) to DEN (Denver)?

The most reliable airline on the RAP to DEN route is SkyWest Airlines, with an on-time arrival rate of 80%.

How often are flights delayed from RAP to DEN?

About 21% of flights from RAP to DEN experience delays. 79% arrive on time.

What's the average delay on RAP to DEN flights?

When flights from RAP to DEN are delayed, the average delay is approximately 89 minutes.

Is a short connection safe after a RAP to DEN flight?

With 79% of RAP to DEN flights arriving on time and an average delay of 89 minutes when late, a connection under 60 minutes at DEN is risky. We recommend at least 75-90 minutes for domestic connections after this route.

RAP → DEN

RAP (Rapid City) to DEN (Denver)

RAP (Rapid City) to DEN (Denver) flights arrive on time 79% of the time. The most reliable airline on this route is SkyWest Airlines at 80%. The average delay is 89 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

RAP → DEN on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 79% 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 — SkyWest Airlines leads slightly at 80% vs United Airlines at 78%.

Airline Comparison

SkyWest Airlines leads at 80% on time; United Airlines trails at 78%.

Accurate?

Good to know

Departing from RAP

81% on time

Expect ~20 min sitting on the taxiway after your gate pushes back. RAP has long runway queues.

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

More about RAP →

Arriving at DEN

78% on time

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

If connecting at DEN: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.

More about DEN →Connection times at DEN →

Flight cancelled or delayed?

Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.

Flying out of RAP? We'll brief you.

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

RAP Airport DEN Airport

Check the return: DEN → RAP

Flying this route?

Enter your flight number for a personalized delay briefing.

Check your flight

Know someone flying soon?

Send them the link — delay data, TSA waits, weather, all free.

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