Chicago (MDW) to Memphis (MEM): On-Time Performance
Data through July 2026
The calendar drives reliability on MDW–MEM. October 2024 flights landed on schedule 95% of the time, but July 2025 dropped to 58% — a gap of 37 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 67%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.8
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 480 mi
Monthly on-time trend
Best time to fly from MDW to MEM
Aim for departures around 7 a.m. (91% on-time); avoid 10 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 15 min |
| Tuesday | 81% | 11 min |
| Wednesdaybest | 84% | 12 min |
| Thursday | 76% | 14 min |
| Friday | 77% | 15 min |
| Saturday | 81% | 11 min |
| Sunday | 78% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations30%
- National airspace system12%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from MDW to MEM delayed?
- 21% of MDW–MEM 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 13 minutes.
- What is the best time of day to fly from MDW to MEM?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 10 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to MEM?
- The scheduled MDW–MEM flight time averages 1h 41m over 480 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are MDW to MEM 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 MEM?
- July 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 95%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 1,377 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.