Best Time to Fly MDW to TUS: On-Time Stats by Hour & Airline
Chicago Midway International → Tucson International
Data through July 2026 · Last updated October 18, 2026
286 flights were scheduled from Chicago (MDW) to Tucson (TUS) in the last 12 months, and 84.2% of those that flew arrived on time, 6.6 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (93% on time) and Wednesday the weakest day of the week (74%).
0.3% of flights were cancelled, versus 1.8% nationally.
MDW to TUS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 84.2% | 40 min | 0.3% | 286 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to TUS
On-time arrival % by scheduled departure hour (local time), 640 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 27 | |
| 8am–9am | 89.6% | 0.0% | 115 |
| 9am–10am | 87.4% | 0.0% | 95 |
| 10am–11am | Limited data | 29 | |
| 11am–12pm | 90.7% | 0.0% | 86 |
| 12pm–1pm | Limited data | 24 | |
| 1pm–2pm | 85.7% | 0.0% | 50 |
| 2pm–3pm | 80.7% | 3.1% | 32 |
| 3pm–4pm | 78.1% | 0.0% | 32 |
| 4pm–5pm | 77.2% | 0.0% | 57 |
| 5pm–6pm | Limited data | 13 | |
| 7pm–8pm | Limited data | 19 | |
| 8pm–9pm | Limited data | 25 | |
| 9pm–10pm | 50.0% | 3.2% | 31 |
| 10pm–11pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MDW to TUS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -5.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 70.6% | -14.4 pts | 1.4% | 69 |
| All other days | 85.0% | — | 0.0% | 527 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).