Best Time to Fly MDW to PIT: On-Time Stats by Hour & Airline
Chicago Midway International → Pittsburgh International
Data through July 2026 · Last updated October 18, 2026
1,116 flights were scheduled from Chicago (MDW) to Pittsburgh (PIT) in the last 12 months, and 81.1% of those that flew arrived on time, 3.5 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (92% on time) and Sunday the weakest day of the week (78%).
1.4% of flights were cancelled, versus 1.8% nationally.
MDW to PIT 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 | 81.1% | 53 min | 1.4% | 1,116 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to PIT
On-time arrival % by scheduled departure hour (local time), 2,239 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 94.3% | 0.9% | 212 |
| 8am–9am | 88.8% | 0.8% | 126 |
| 9am–10am | 88.3% | 2.0% | 200 |
| 10am–11am | 92.7% | 1.3% | 153 |
| 11am–12pm | 91.4% | 5.4% | 37 |
| 12pm–1pm | 83.5% | 0.0% | 158 |
| 1pm–2pm | 84.7% | 1.6% | 437 |
| 2pm–3pm | 82.3% | 0.0% | 34 |
| 3pm–4pm | 85.3% | 0.0% | 34 |
| 4pm–5pm | 76.6% | 1.5% | 65 |
| 5pm–6pm | 75.0% | 0.6% | 161 |
| 6pm–7pm | 71.0% | 1.4% | 276 |
| 7pm–8pm | 72.9% | 2.8% | 72 |
| 8pm–9pm | 68.3% | 0.9% | 105 |
| 9pm–10pm | 71.8% | 0.9% | 111 |
| 10pm–11pm | 59.6% | 1.7% | 58 |
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 PIT
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) | 80.6% | -4.0 pts | 5.3% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.2% | -16.4 pts | 0.0% | 85 |
| Summer peak (Jun 15 - Aug 15) | 72.1% | -12.5 pts | 1.0% | 406 |
| All other days | 84.6% | — | 1.4% | 1,710 |
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).