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

Chicago, IL (ORD) to Reno, NV (RNO) flight delay odds

Historically, 60.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 363 flights.

HISTORICAL ROUTE SIGNALVariable
60.6%arrived on time
27.0%30+ min late
1.4%cancelled
363scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late15.7%all scheduled flights
120+ minutes late8.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+26.0 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
Afternoon18467.9%22.3%0.0%
Evening17953.1%31.8%2.8%

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
Monday5259.6%26.9%1.9%
Tuesday5375.5%15.1%0.0%
Wednesday5064.0%26.0%0.0%
Thursday5251.9%34.6%1.9%
Friday5259.6%30.8%1.9%
Saturday5251.9%30.8%1.9%
Sunday5261.5%25.0%1.9%

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
United Airlines36360.6%27.0%1.4%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20253138.7%29.0%3.2%
August 20253164.5%22.6%6.5%
September 20253066.7%23.3%0.0%
October 20253167.7%19.4%0.0%
November 20253076.7%20.0%0.0%
December 20252941.4%51.7%0.0%
January 20263161.3%19.4%0.0%
February 20262864.3%17.9%0.0%
March 20263158.1%29.0%6.5%
April 20263060.0%33.3%0.0%
May 20263167.7%29.0%0.0%
June 20263060.0%30.0%0.0%

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.

Airline24.7%
Late aircraft56.9%
National airspace14.6%
Weather3.9%
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.