Route · MDW → MIA · 2020–2025 BTS data
Chicago to Miami
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to MIA (Chicago to Miami) ranks #2771 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 74.3%
- On-time
- -4.7 pts
- vs US avg
- 73 min
- Delay when late
- 4,307
- Flights
- #2771 of 4927
- Corpus placement
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 |
MDW–MIA seasonal on-time pattern
Best: February (83.4%) · weakest: June (65.3%)
Strongest calendar month
February
83.4% on-time · ~84 flights/mo
Busiest calendar month
March
~94 flights/mo avg
Weakest calendar month
June
65.3% on-time · ~74 flights/mo
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.
MDW on-time profileMIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileCompare the two airports
See MDW and MIA side by side on delays, cancellations, and reliability.
Compare MDW vs MIAOrigin-hub reliability standing
Softer reliability from MDW
Among 69 routes leaving MDW, only 18 (including this one) clear below 75% on-time, while 0 stay ≥85% and 51 sit mid-band. Travelers comparing MDW options should weigh this 74.3% print against those peers · fleet on-time rank #4569 of 4927.
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.
On the multi-year calendar, MDW–MIA peaks in February at 83.4% on-time while March carries the heaviest traffic (~94 flights per month) ; the softest month is June at 65.3%, a 18.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MDW to MIA rank among US routes by traffic? ▼
How often are flights delayed from MDW to MIA? ▼
What is the cancellation rate for MDW to MIA? ▼
How far is the flight from MDW to MIA? ▼
When is the best time to fly from MDW to MIA? ▼
Airports on this route
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.
Using MDW–MIA data
MDW–MIA sits 4.7 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare MDW and MIA airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
- If your dates flex, February (83.4% on-time) beats June (65.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 74.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.