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

Tucson, AZ (TUS) to Chicago, IL (ORD) flight delay odds

Historically, 73.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,039 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.9%arrived on time
15.5%30+ min late
1.5%cancelled
1,039scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.6%all scheduled flights
120+ minutes late4.7%all scheduled flights
Diverted1.1%did not reach as scheduled
Average arrival+14.7 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 morning39482.5%10.2%2.5%
Late morning20169.2%16.9%1.0%
Afternoon44468.5%19.6%0.9%

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
Monday15066.0%18.7%1.3%
Tuesday14977.9%10.7%2.0%
Wednesday14372.0%21.0%0.0%
Thursday14778.9%10.9%1.4%
Friday15074.7%12.0%2.7%
Saturday15078.7%14.0%2.0%
Sunday15069.3%21.3%1.3%

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 Airlines48170.9%17.7%1.9%
SkyWest Airlines46275.8%13.2%1.5%
United Airlines7775.3%19.5%0.0%
Envoy Air19100.0%0.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20259268.5%19.6%4.3%
August 20256765.7%20.9%1.5%
September 20256068.3%18.3%0.0%
October 20256872.1%20.6%0.0%
November 20259070.0%16.7%3.3%
December 20258878.4%14.8%1.1%
January 20268478.6%14.3%1.2%
February 20268087.5%8.8%0.0%
March 20269373.1%18.3%2.2%
April 202611470.2%15.8%1.8%
May 202611376.1%7.1%0.9%
June 20269076.7%15.6%1.1%

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.

Airline38.2%
Late aircraft34.8%
National airspace21.9%
Weather5.0%
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.