Route · JAX → MDW · 2020–2025 BTS data
Jacksonville to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JAX to MDW (Jacksonville to Chicago) ranks #4199 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 57 min
- Delay when late
- 1,438
- Flights
- #4199 of 4927
- Corpus placement
Cancelled
0.8%
Best Month
Jul 2024 68%
Worst Month
Jul 2024 68%
Distance
849 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 10 | 0 | 0 | WN |
| Nov 2025 | 30 | 5 | 0 | 1 | WN |
| Oct 2025 | 31 | 9 | 0 | 0 | WN |
| Sep 2025 | 30 | 5 | 0 | 0 | WN |
| Aug 2025 | 32 | 5 | 0 | 0 | WN |
| Jul 2025 | 39 | 13 | 0 | 0 | WN |
| Jun 2025 | 38 | 9 | 0 | 0 | WN |
| May 2025 | 31 | 6 | 1 | 0 | WN |
| Apr 2025 | 31 | 5 | 1 | 0 | WN |
| Mar 2025 | 35 | 3 | 0 | 0 | WN |
| Dec 2024 | 31 | 3 | 0 | 0 | WN |
| Nov 2024 | 30 | 3 | 0 | 0 | WN |
| Oct 2024 | 43 | 5 | 0 | 0 | WN |
| Sep 2024 | 42 | 5 | 3 | 0 | WN |
| Aug 2024 | 45 | 7 | 1 | 0 | WN |
| Jul 2024 | 53 | 17 | 0 | 0 | WN |
| Jun 2024 | 49 | 12 | 0 | 0 | WN |
| May 2024 | 31 | 8 | 0 | 0 | WN |
| Apr 2024 | 31 | 4 | 1 | 0 | WN |
| Mar 2024 | 33 | 5 | 0 | 0 | WN |
| Dec 2023 | 31 | 8 | 0 | 0 | WN |
| Nov 2023 | 30 | 4 | 0 | 0 | WN |
| Oct 2023 | 31 | 1 | 0 | 0 | WN |
| Sep 2023 | 30 | 2 | 0 | 0 | WN |
JAX–MDW seasonal on-time pattern
Best: March (91.9%) · weakest: July (68.6%)
Strongest calendar month
March
91.9% on-time · ~33 flights/mo
Busiest calendar month
July
~37 flights/mo avg
Weakest calendar month
July
68.6% on-time · ~37 flights/mo
Cancellation Rate
0.8%
7 of 838 flights
Diversion Rate
0.1%
1 of 838 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JAX - Jacksonville
Full on-time, delay-cause, and seasonal performance for Jacksonville, FL.
JAX on-time profileMDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profileCompare the two airports
See JAX and MDW side by side on delays, cancellations, and reliability.
Compare JAX vs MDWOrigin-hub reliability standing
Mid-pack among JAX departures
From JAX, this corridor sits with 16 other 75–85% on-time routes out of 23 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Chicago · fleet on-time rank #3023 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to JAX–MDW.
Routes with a similar on-time rate
What the Data Says About JAX to MDW
1,438 tracked flights put the JAX to MDW pairing (Jacksonville to Chicago) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 57.4 minutes on average. Across the 849-mile route and its 1 carrier, the trailing 24 months show 0.8% cancelled and 0.1% diverted (838 flights sampled).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, JAX–MDW peaks in March at 91.9% on-time while July carries the heaviest traffic (~37 flights per month) ; the softest month is July at 68.6%, a 23.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does JAX to MDW rank among US routes by traffic? ▼
How often are flights delayed from JAX to MDW? ▼
What is the cancellation rate for JAX to MDW? ▼
How far is the flight from JAX to MDW? ▼
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 JAX–MDW data
JAX–MDW is mid-pack at 80.3% on-time; month and carrier mix move more than the corridor headline.
- Compare JAX and MDW airport profiles: delay causes and top routes differ even on the same corridor. JAX airport
- If your dates flex, March (91.9% on-time) beats July (68.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.3% 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.