Route · MDW → MIA · 2020–2025 BTS data
Chicago to Miami
The MDW–MIA corridor (Chicago, IL → Miami, FL) runs behind the national average, served by 3 carriers across roughly 1,182 miles.
Data updated 2026-06-13
- 74.3%
- On-time
- -4.7 pts
- vs US avg
- 73 min
- Delay when late
- 4,307
- Flights
Cancelled
1.9%
Best Month
Oct 2023 84%
Worst Month
Jan 2024 65%
Distance
1,182 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 45 | 16 | 0 | 1 | WN,F9 |
| Nov 2025 | 39 | 6 | 3 | 0 | F9,WN |
| Jul 2025 | 39 | 11 | 0 | 0 | WN |
| Jun 2025 | 40 | 12 | 0 | 0 | WN |
| May 2025 | 53 | 13 | 0 | 0 | WN |
| Apr 2025 | 65 | 11 | 0 | 0 | F9,WN |
| Mar 2025 | 87 | 19 | 1 | 0 | WN,F9 |
| Feb 2025 | 64 | 16 | 1 | 0 | WN,F9 |
| Jan 2025 | 58 | 18 | 0 | 0 | WN,F9 |
| Dec 2024 | 61 | 18 | 1 | 0 | F9,WN |
| Nov 2024 | 47 | 9 | 0 | 0 | WN,F9 |
| Oct 2024 | 31 | 5 | 0 | 0 | WN,F9 |
| Sep 2024 | 44 | 6 | 0 | 1 | WN,F9 |
| Aug 2024 | 52 | 13 | 2 | 1 | F9,WN |
| Jul 2024 | 66 | 21 | 4 | 1 | F9,WN |
| Jun 2024 | 64 | 18 | 3 | 0 | F9,WN |
| May 2024 | 76 | 23 | 1 | 0 | F9,WN |
| Apr 2024 | 88 | 20 | 1 | 0 | F9,WN |
| Mar 2024 | 114 | 27 | 2 | 0 | F9,WN |
| Feb 2024 | 85 | 14 | 0 | 1 | F9,WN |
| Jan 2024 | 85 | 30 | 7 | 0 | F9,WN |
| Dec 2023 | 91 | 19 | 4 | 0 | F9,WN |
| Nov 2023 | 86 | 19 | 0 | 0 | F9,WN |
| Oct 2023 | 69 | 11 | 0 | 0 | F9,WN |
Cancellation Rate
1.9%
30 of 1,549 flights
Diversion Rate
0.3%
5 of 1,549 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Destination airport →Compare the two airports
See MDW and MIA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–MIA.
Routes with a similar on-time rate
What the Data Says About MDW to MIA
On-time performance on the MDW to MIA pairing (Chicago to Miami) trails a chunk of the network: 74.3% of 4,307 tracked flights arrived on schedule, with a 72.5-minute average delay on the ones that ran late. The route spans about 1,182 miles across 3 carriers. Cancellations over the trailing 24 months hit 1.9% (30 of 1,549 flights), with 0.3% diverted.
The monthly split is wide on this route: Oct 2023 posted the strongest performance at 84% on-time, while Jan 2024 came in at just 65% - a 19-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.