Manchester (MHT) to Chicago (MDW): On-Time Performance
Data through May 2026
The calendar drives reliability on MHT–MDW. September 2024 flights landed on schedule 100% of the time, but December 2025 dropped to 72% — a gap of 28 points. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 75%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 1.4
- last 12 months
- Duration
- 2h 30m
- scheduled
- Distance
- 838 mi
Monthly on-time trend
Best time to fly from MHT to MDW
Aim for departures around 6 a.m. (96% on-time); avoid 8 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 13 min |
| Tuesday | 87% | 8 min |
| Wednesdaybest | 95% | 5 min |
| Thursday | 86% | 8 min |
| Friday | 81% | 12 min |
| Saturday | 88% | 8 min |
| Sunday | 90% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft57%
- Airline operations19%
- National airspace system23%
- Weather1%
Frequently asked questions
- How often are flights from MHT to MDW delayed?
- 13% of MHT–MDW 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 MHT to MDW?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 8 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 MHT to MDW?
- The scheduled MHT–MDW flight time averages 2h 30m over 838 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are MHT to MDW flights cancelled?
- 0.6% 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 MHT to MDW?
- December 2025 was the roughest month in this dataset, with only 72% of arrivals on time. The best was September 2024 at 100%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 1,010 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.