PlainFlights

Route · MDW → JAX · 2020–2025 BTS data

Chicago to Jacksonville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to JAX (Chicago to Jacksonville) ranks #4147 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.7%
On-time
-1.3 pts
vs US avg
57 min
Delay when late
1,502
Flights
#4147 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Jul 2024 60%

Worst Month

Jul 2024 60%

Distance

849 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 9 0 0 WN
Nov 2025 30 7 2 0 WN
Oct 2025 31 5 0 0 WN
Sep 2025 30 3 0 0 WN
Aug 2025 32 6 0 0 WN
Jul 2025 39 11 0 1 WN
Jun 2025 38 12 0 0 WN
May 2025 31 6 0 1 WN
Apr 2025 31 7 0 1 WN
Mar 2025 36 6 0 0 WN
Dec 2024 31 5 0 0 WN
Nov 2024 30 3 0 0 WN
Oct 2024 43 2 0 0 WN
Sep 2024 42 4 1 0 WN
Aug 2024 45 9 2 0 WN
Jul 2024 53 21 2 0 WN
Jun 2024 48 13 0 0 WN
Mar 2024 33 3 1 0 WN
Dec 2023 31 6 1 0 WN
Nov 2023 30 3 0 0 WN
Oct 2023 31 2 0 0 WN
Sep 2023 30 3 0 0 WN
Aug 2023 31 6 1 0 WN
Jul 2023 31 9 0 2 WN

MDW–JAX seasonal on-time pattern

Best: October (90.4%) · weakest: July (65.4%)

60%70%80%90%100% JanMarAprMayJunJulAugSepOctNovDec 75.8%

Strongest calendar month

October

90.4% on-time · ~34 flights/mo

Busiest calendar month

July

~37 flights/mo avg

Weakest calendar month

July

65.4% on-time · ~37 flights/mo

Cancellation Rate

1.2%

10 of 838 flights

Diversion Rate

0.6%

5 of 838 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 profile

JAX - Jacksonville

Full on-time, delay-cause, and seasonal performance for Jacksonville, FL.

JAX on-time profile

Compare the two airports

See MDW and JAX side by side on delays, cancellations, and reliability.

Compare MDW vs JAX

Origin-hub reliability standing

Mid-pack among MDW departures

From MDW, this corridor sits with 51 other 75–85% on-time routes out of 69 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 18 below 75%). Destination: Jacksonville · fleet on-time rank #3921 of 4927.

What the Data Says About MDW to JAX

The Chicago to Jacksonville corridor (MDW to JAX) posts a 77.7% on-time rate on the lower edge of the average band, based on 1,502 tracked flights. Late flights run 56.6 minutes behind on average. 1 carrier cover the 849-mile route; over the last 24 months, 10 of 838 flights were cancelled (1.2%) and 0.6% diverted.

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, MDW–JAX peaks in October at 90.4% on-time while July carries the heaviest traffic (~37 flights per month) ; the softest month is July at 65.4%, a 25.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MDW to JAX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MDW to JAX ranks #4147 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from MDW to JAX? ▼
Flights from Chicago to Jacksonville have a 77.7% on-time rate based on 1,502 flights. The average delay is 56.6 minutes. The best recent month was Jul 2024 with 60% on-time.
What is the cancellation rate for MDW to JAX? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (10 of 838 flights) and 0.6% were diverted.
How far is the flight from MDW to JAX? ▼
The flight distance from Chicago (MDW) to Jacksonville (JAX) is approximately 849 miles. This route is served by 1 carrier.

Airports on this route

MDW Airport

Chicago
JAX Airport

Jacksonville
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–JAX data

MDW–JAX is mid-pack at 77.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare MDW and JAX airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
  • If your dates flex, October (90.4% on-time) beats July (65.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.7% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.