Fort Lauderdale (FLL) to Chicago (MDW): On-Time Performance
Data through May 2026
The calendar drives reliability on FLL–MDW. November 2024 flights landed on schedule 90% of the time, but March 2026 dropped to 60% — a gap of 30 points. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 63%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 3.1
- last 12 months
- Duration
- 3h 11m
- scheduled
- Distance
- 1,167 mi
Monthly on-time trend
Best time to fly from FLL to MDW
Aim for departures around 5 a.m. (96% on-time); avoid 6 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 17 min |
| Tuesday | 78% | 15 min |
| Wednesdaybest | 84% | 9 min |
| Thursday | 75% | 16 min |
| Friday | 71% | 16 min |
| Saturday | 80% | 13 min |
| Sunday | 68% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations31%
- National airspace system16%
- Weather3%
Frequently asked questions
- How often are flights from FLL to MDW delayed?
- 25% of FLL–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 16 minutes.
- What is the best time of day to fly from FLL to MDW?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 6 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FLL to MDW?
- The scheduled FLL–MDW flight time averages 3h 11m over 1,167 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are FLL to MDW flights cancelled?
- 1.4% 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 FLL to MDW?
- March 2026 was the roughest month in this dataset, with only 60% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,280 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.