Which departure time was most reliable for MIA to MDW?
Among qualifying MIA-to-MDW departure window results, Early morning had the highest on-time rate: 84.1% of 170 flights. Evening was lowest at 47.1% across 87 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 170 | 84.1% | 7.1% | 3.5% |
| Late morning | 58 | 77.6% | 15.5% | 0.0% |
| Afternoon | 194 | 65.5% | 18.0% | 0.5% |
| Evening | 87 | 47.1% | 35.6% | 2.3% |
Which weekday was most reliable for MIA to MDW?
Among qualifying MIA-to-MDW weekday results, Monday had the highest on-time rate: 76.9% of 78 flights. Saturday was lowest at 59.6% across 109 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 78 | 76.9% | 14.1% | 1.3% |
| Tuesday | 41 | 70.7% | 4.9% | 4.9% |
| Wednesday | 44 | 75.0% | 9.1% | 0.0% |
| Thursday | 75 | 74.7% | 12.0% | 1.3% |
| Friday | 75 | 73.3% | 16.0% | 1.3% |
| Saturday | 109 | 59.6% | 22.0% | 3.7% |
| Sunday | 89 | 66.3% | 28.1% | 0.0% |
Which airline was most reliable for MIA to MDW?
Among qualifying MIA-to-MDW airline results, Frontier Airlines had the highest on-time rate: 76.6% of 64 flights. Southwest Airlines was lowest at 68.9% across 447 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 447 | 68.9% | 17.4% | 1.8% |
| Frontier Airlines | 64 | 76.6% | 14.1% | 1.6% |
Which month was most reliable for MIA to MDW?
Among qualifying MIA-to-MDW month results, July 2025 had the highest on-time rate: 89.7% of 39 flights. February 2026 was lowest at 57.9% across 38 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 39 | 89.7% | 5.1% | 2.6% |
| August 2025 | 29 | 58.6% | 24.1% | 0.0% |
| September 2025 | 25 | 84.0% | 8.0% | 0.0% |
| October 2025 | 24 | 75.0% | 16.7% | 0.0% |
| November 2025 | 39 | 74.4% | 7.7% | 7.7% |
| December 2025 | 45 | 64.4% | 22.2% | 2.2% |
| January 2026 | 51 | 78.4% | 13.7% | 2.0% |
| February 2026 | 38 | 57.9% | 21.1% | 0.0% |
| March 2026 | 79 | 60.8% | 25.3% | 2.5% |
| April 2026 | 58 | 69.0% | 10.3% | 1.7% |
| May 2026 | 53 | 69.8% | 20.8% | 0.0% |
| June 2026 | 31 | 67.7% | 22.6% | 0.0% |
What drove MIA to MDW delay minutes?
Airline was the largest recorded MIA-to-MDW delay category, accounting for 41.6% of 8,327 BTS-attributed delay minutes during July 2025–June 2026.
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