Route · MIA → MDW · 2020–2025 BTS data
Miami to Chicago
The MIA–MDW corridor (Miami, FL → Chicago, IL) runs behind the national average, served by 3 carriers across roughly 1,182 miles.
Data updated 2026-06-13
- 76.1%
- On-time
- -2.9 pts
- vs US avg
- 70 min
- Delay when late
- 4,369
- Flights
Cancelled
2.0%
Best Month
May 2025 87%
Worst Month
Aug 2024 51%
Distance
1,182 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 45 | 15 | 1 | 0 | WN,F9 |
| Nov 2025 | 39 | 6 | 3 | 1 | F9,WN |
| Jul 2025 | 39 | 3 | 1 | 0 | WN |
| Jun 2025 | 40 | 6 | 0 | 0 | WN |
| May 2025 | 53 | 7 | 0 | 0 | WN |
| Apr 2025 | 65 | 10 | 0 | 0 | F9,WN |
| Mar 2025 | 87 | 19 | 2 | 0 | WN,F9 |
| Feb 2025 | 64 | 16 | 1 | 1 | WN,F9 |
| Jan 2025 | 58 | 19 | 0 | 0 | WN,F9 |
| Dec 2024 | 60 | 20 | 1 | 0 | F9,WN |
| Nov 2024 | 47 | 15 | 0 | 0 | WN,F9 |
| Oct 2024 | 31 | 8 | 0 | 0 | WN,F9 |
| Sep 2024 | 44 | 11 | 0 | 0 | WN,F9 |
| Aug 2024 | 53 | 26 | 3 | 0 | F9,WN |
| Jul 2024 | 66 | 13 | 5 | 1 | F9,WN |
| Jun 2024 | 64 | 19 | 1 | 1 | F9,WN |
| May 2024 | 76 | 17 | 1 | 2 | F9,WN |
| Apr 2024 | 88 | 16 | 2 | 0 | F9,WN |
| Mar 2024 | 114 | 29 | 0 | 0 | F9,WN |
| Feb 2024 | 85 | 19 | 0 | 0 | F9,WN |
| Jan 2024 | 85 | 22 | 8 | 1 | F9,WN |
| Dec 2023 | 91 | 14 | 2 | 0 | F9,WN |
| Nov 2023 | 86 | 19 | 0 | 0 | F9,WN |
| Oct 2023 | 74 | 18 | 0 | 0 | F9,WN |
Cancellation Rate
2.0%
31 of 1,554 flights
Diversion Rate
0.5%
7 of 1,554 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Origin airport →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See MIA and MDW side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–MDW.
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What the Data Says About MIA to MDW
The Miami to Chicago corridor (MIA to MDW) posts a 76.1% on-time rate on the lower edge of the average band, based on 4,369 tracked flights. Late flights run 69.5 minutes behind on average. 3 carriers cover the 1,182-mile route; over the last 24 months, 31 of 1,554 flights were cancelled (2.0%) and 0.5% diverted.
The monthly split is wide on this route: May 2025 posted the strongest performance at 87% on-time, while Aug 2024 came in at just 51% - a 36-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.