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

Chicago, IL (ORD) to Phoenix, AZ (PHX) flight delay odds

Historically, 71.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 5,594 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
71.4%arrived on time
17.8%30+ min late
1.7%cancelled
5,594scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.8%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+12.9 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 morning1,08083.1%8.7%1.9%
Late morning1,04977.7%13.9%0.6%
Afternoon1,88569.5%20.0%1.0%
Evening1,28862.7%23.2%3.2%
Night29255.5%26.7%3.8%

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
Monday82966.5%22.0%2.5%
Tuesday78577.3%12.9%1.1%
Wednesday74872.5%17.9%1.2%
Thursday81573.1%15.5%1.7%
Friday82268.2%20.1%1.9%
Saturday77376.2%14.5%1.8%
Sunday82266.7%21.2%1.6%

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
American Airlines2,99369.5%18.8%2.3%
United Airlines1,93878.5%13.7%0.4%
Southwest Airlines46056.7%26.3%2.2%
Frontier Airlines20364.5%21.2%3.9%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202544162.1%22.4%2.3%
August 202541670.2%17.8%2.6%
September 202543573.8%14.5%1.1%
October 202543974.5%14.1%0.2%
November 202544571.9%17.8%4.3%
December 202548972.0%19.4%0.4%
January 202644673.5%16.8%1.8%
February 202644680.9%9.2%0.0%
March 202658575.0%15.6%2.9%
April 202653765.2%20.7%2.4%
May 202649975.4%15.8%0.4%
June 202641661.1%30.0%1.9%

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.

Airline31.3%
Late aircraft49.2%
National airspace15.2%
Weather4.1%
Security0.2%
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.