BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
RAPORD

Rapid City, SD (RAP) to Chicago, IL (ORD) flight delay odds

Historically, 70.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 689 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
70.1%arrived on time
19.2%30+ min late
1.7%cancelled
689scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+16.5 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning9077.8%11.1%2.2%
Late morning11363.7%19.5%4.4%
Afternoon41673.3%18.5%0.7%
Evening7051.4%32.9%2.9%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday10369.9%18.4%1.9%
Tuesday9778.4%13.4%3.1%
Wednesday9275.0%16.3%1.1%
Thursday10267.6%23.5%1.0%
Friday9965.7%23.2%1.0%
Saturday9269.6%15.2%4.3%
Sunday10465.4%23.1%0.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air26868.7%21.6%1.1%
SkyWest Airlines24669.9%17.5%2.4%
United Airlines17572.6%17.7%1.7%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202512162.0%27.3%1.7%
August 202510958.7%25.7%1.8%
September 20257482.4%13.5%1.4%
October 20253881.6%7.9%0.0%
November 20253076.7%10.0%3.3%
December 20251580.0%13.3%0.0%
January 20265100.0%0.0%0.0%
March 2026250.0%50.0%0.0%
April 20267162.0%21.1%4.2%
May 202610476.0%13.5%1.9%
June 202612073.3%19.2%0.8%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline39.6%
Late aircraft24.7%
National airspace27.2%
Weather8.5%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.