Chicago (MDW) to Pittsburgh (PIT): On-Time Performance
Data through July 2026
The calendar drives reliability on MDW–PIT. April 2026 flights landed on schedule 97% of the time, but July 2025 dropped to 69% — a gap of 28 points. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 3.1
- last 12 months
- Duration
- 1h 22m
- scheduled
- Distance
- 402 mi
Monthly on-time trend
Best time to fly from MDW to PIT
Aim for departures around 7 a.m. (94% on-time); avoid 10 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 14 min |
| Tuesday | 85% | 9 min |
| Wednesdaybest | 87% | 8 min |
| Thursday | 80% | 12 min |
| Friday | 78% | 13 min |
| Saturday | 81% | 10 min |
| Sunday | 77% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations33%
- National airspace system12%
- Weather5%
Frequently asked questions
- How often are flights from MDW to PIT delayed?
- 19% of MDW–PIT 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 11 minutes.
- What is the best time of day to fly from MDW to PIT?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 10 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to PIT?
- The scheduled MDW–PIT flight time averages 1h 22m over 402 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are MDW to PIT flights cancelled?
- 1.2% 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 PIT?
- July 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was April 2026 at 97%. If your dates are flexible, that 28-point gap is worth planning around.
Explore related pages
More routes from MDW
Other ways to fly to Pittsburgh (PIT)
Related guides
Based on 2,343 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.