Which airline is most reliable for ORD (Chicago) to RAP (Rapid City)?

The most reliable airline on the ORD to RAP route is Republic Airways, with an on-time arrival rate of 90%.

How often are flights delayed from ORD to RAP?

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

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

When flights from ORD to RAP are delayed, the average delay is approximately 59 minutes.

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

With 79% of ORD to RAP flights arriving on time and an average delay of 59 minutes when late, a connection under 60 minutes at RAP is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ORD → RAP

ORD (Chicago) to RAP (Rapid City)

ORD (Chicago) to RAP (Rapid City) flights arrive on time 79% of the time. The most reliable airline on this route is Republic Airways at 90%. The average delay is 59 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

ORD → RAP 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?

Republic Airways is significantly more reliable on this route at 90% on time vs SkyWest Airlines at 67%.

Airline Comparison

Republic Airways leads at 90% on time; SkyWest Airlines trails at 67%.

Accurate?

Good to know

Departing from ORD

75% on time

Expect ~22 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.

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

More about ORD →

Arriving at RAP

79% on time

When flights into RAP are late, the average delay is 75 minutes. Build buffer if you have ground plans.

If connecting at RAP: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

More about RAP →Connection times at RAP →

Flight cancelled or delayed?

Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.

Flying out of ORD? We'll brief you.

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

ORD Airport RAP Airport

Check the return: RAP → ORD

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 August 2026. Source: Bureau of Transportation Statistics.