Chicago (MDW) to Tucson (TUS): On-Time Performance
Data through July 2026
Chicago (MDW) to Tucson (TUS) is a thinner route than most in this dataset — 286 departures over the past year, roughly 6 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
- 8 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.78
- last 12 months
- Duration
- 3h 46m
- scheduled
- Distance
- 1,440 mi
Monthly on-time trend
Best time to fly from MDW to TUS
Aim for departures around 11 a.m. (91% on-time); avoid 9 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 12 min |
| Tuesdaybest | 87% | 6 min |
| Wednesday | 74% | 11 min |
| Thursday | 81% | 7 min |
| Friday | 85% | 7 min |
| Saturday | 83% | 7 min |
| Sunday | 87% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations36%
- National airspace system22%
- Weather2%
- 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 2024-07 and 2026-07. The average arrival delay across completed flights was 8 minutes.
- What is the best time of day to fly from MDW to TUS?
- Departures around 11 a.m. have the best record (91% 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 46m 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 2024-07 and 2026-07, 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.
Explore related pages
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Other ways to fly to Tucson (TUS)
Related guides
Based on 671 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.