ORD to RAP flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Rapid City Regional Airport · 780 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or RAP right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Rapid City (RAP) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.2% were cancelled, and 6% arrived an hour or more late.
- United Airlines was the most punctual airline here (87% on time); SkyWest Airlines was the least (66%).
- Departures scheduled around 1pm did best (90% on time); around 8pm did worst (62%).
- Thursday was the most reliable day to fly (83% on time) and Wednesday the least (74%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Which airline is most on time from ORD to RAP?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 87% | 1.1% | 9 min | 4.1% | 174 |
| Envoy AirRegional airline operating American Eagle flights. | 84% | 0.7% | 8 min | 4.1% | 270 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 66% | 4.4% | 19 min | 9.7% | 248 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am86%214 flights
- 9am78%153 flights
- 10am71%34 flights
- 11am77%32 flights
- 1pm90%73 flights
- 4pm74%47 flights
- 7pm71%15 flights
- 8pm62%64 flights
- 9pm63%60 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%5.8% cancelled
- Tuesday80%1.1% cancelled
- Wednesday74%0.0% cancelled
- Thursday83%1.9% cancelled
- Friday77%2.9% cancelled
- Saturday80%3.2% cancelled
- Sunday77%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)39%
- Late-arriving aircraft28%
- Air traffic control & airport congestion24%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Air traffic control & airport congestion40%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ORD to RAP: common questions
- How often are ORD to RAP flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Rapid City cancelled?
- 2.2% of scheduled flights were cancelled (15 of 692).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 51 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 30 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RAP to ORD — 73% on time
More flights from Chicago
More flights to Rapid City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → RAP, nonstop flights by US airlines that report to the DOT. How we calculate this.