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

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

81.4% of 317 official scheduled MDW-to-TUS flights arrived on time; 9.1% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
81.4%arrived on time
9.1%30+ min late
0.6%cancelled
317scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.2%all scheduled flights
120+ minutes late0.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.3 mincompleted flights

Which departure time was most reliable for MDW to TUS?

Among qualifying MDW-to-TUS departure window results, Early morning had the highest on-time rate: 86.6% of 112 flights. Afternoon was lowest at 79.8% across 129 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning11286.6%6.2%0.0%
Afternoon12979.8%8.5%0.8%
Evening4281.0%16.7%0.0%

Which weekday was most reliable for MDW to TUS?

Among qualifying MDW-to-TUS weekday results, Saturday had the highest on-time rate: 87.5% of 48 flights. Wednesday was lowest at 72.5% across 40 flights.

DayFlightsOn time30+ minCancelled
Monday4875.0%16.7%0.0%
Tuesday4087.5%5.0%0.0%
Wednesday4072.5%12.5%0.0%
Thursday4879.2%10.4%2.1%
Friday4780.9%10.6%0.0%
Saturday4887.5%4.2%2.1%
Sunday4687.0%4.3%0.0%

Which airline was most reliable for MDW to TUS?

Only Southwest Airlines met the MDW-to-TUS airline threshold: 81.4% of 317 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines31781.4%9.1%0.6%

Which month was most reliable for MDW to TUS?

Among qualifying MDW-to-TUS month results, September 2025 had the highest on-time rate: 95.2% of 21 flights. July 2025 was lowest at 58.1% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253158.1%22.6%3.2%
August 20252286.4%4.5%0.0%
September 20252195.2%4.8%0.0%
October 20252972.4%6.9%0.0%
November 20253083.3%3.3%3.3%
December 20253183.9%12.9%0.0%
January 20263187.1%9.7%0.0%
February 20262882.1%3.6%0.0%
March 20263180.6%12.9%0.0%
April 20263086.7%10.0%0.0%
May 20263083.3%6.7%0.0%

What drove MDW to TUS delay minutes?

Airline was the largest recorded MDW-to-TUS delay category, accounting for 43.2% of 2,244 BTS-attributed delay minutes during July 2025–June 2026.

Airline43.2%
Late aircraft32.8%
National airspace21.1%
Weather2.9%
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.