FlightRecord

Chicago (MDW) to Tucson (TUS): On-Time Performance

Data through May 2026

Chicago (MDW) to Tucson (TUS) is a thinner route than most in this dataset — 344 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.

On-time
82%
arrived <15 min late
Avg delay
9 min
completed flights
Cancelled
0.3%
Flights/day
0.94
last 12 months
Duration
3h 45m
scheduled
Distance
1,440 mi

Monthly on-time trend

Monthly on-time percentage for MDW to TUS flights50%75%100%June 2024: 83% on-time (30 flights)83Jun 2024July 2024: 74% on-time (31 flights)74August 2024: 83% on-time (23 flights)83September 2024: 86% on-time (21 flights)86Sep 2024October 2024: 100% on-time (29 flights)100November 2024: 83% on-time (30 flights)83December 2024: 81% on-time (31 flights)81Dec 2024January 2025: 74% on-time (31 flights)74February 2025: 80% on-time (30 flights)80March 2025: 92% on-time (36 flights)92Mar 2025April 2025: 87% on-time (31 flights)87May 2025: 87% on-time (31 flights)87June 2025: 67% on-time (30 flights)67Jun 2025July 2025: 60% on-time (31 flights)60August 2025: 86% on-time (22 flights)86September 2025: 95% on-time (21 flights)95Sep 2025October 2025: 72% on-time (29 flights)72November 2025: 86% on-time (30 flights)86December 2025: 84% on-time (31 flights)84Dec 2025January 2026: 87% on-time (31 flights)87February 2026: 82% on-time (28 flights)82March 2026: 81% on-time (31 flights)81Mar 2026April 2026: 87% on-time (30 flights)87May 2026: 83% on-time (30 flights)83

Best time to fly from MDW to TUS

Aim for departures around 8 a.m. (90% on-time); avoid 9 p.m. departures (50%).

On-time percentage by scheduled departure hour, MDW to TUS7 a.m.: 74% on-time (27 flights)78 a.m.: 90% on-time (115 flights)89 a.m.: 87% on-time (95 flights)910 a.m.: 86% on-time (29 flights)1011 a.m.: 89% on-time (109 flights)1112 p.m.: 76% on-time (25 flights)121 p.m.: 80% on-time (76 flights)132 p.m.: 80% on-time (41 flights)143 p.m.: 79% on-time (33 flights)154 p.m.: 76% on-time (54 flights)167 p.m.: 95% on-time (20 flights)198 p.m.: 76% on-time (25 flights)209 p.m.: 50% on-time (31 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%12 min
Tuesday86%10 min
Wednesday74%11 min
Thursday82%7 min
Friday84%10 min
Saturday84%7 min
Sundaybest86%8 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft36%
  • Airline operations40%
  • National airspace system22%
  • Weather1%
  • Security1%

Frequently asked questions

How often are flights from MDW to TUS delayed?
18% of MDW–TUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 9 minutes.
What is the best time of day to fly from MDW to TUS?
Departures around 8 a.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from MDW to TUS?
The scheduled MDW–TUS flight time averages 3h 45m over 1,440 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are MDW to TUS flights cancelled?
0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from MDW to TUS?
July 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 100%. If your dates are flexible, that 40-point gap is worth planning around.

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Based on 698 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.