Route · MKE → ORD · 2020–2025 BTS data
Milwaukee to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MKE to ORD (Milwaukee to Chicago) ranks #798 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.1%
- On-time
- -0.9 pts
- vs US avg
- 89 min
- Delay when late
- 13,035
- Flights
- #798 of 4927
- Corpus placement
Cancelled
2.3%
Best Month
Feb 2024 88%
Worst Month
Jul 2025 59%
Distance
67 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 405 | 153 | 15 | 0 | YX,OH,MQ,OO |
| Nov 2025 | 465 | 109 | 48 | 0 | OO,YX |
| Oct 2025 | 463 | 177 | 0 | 0 | OO,YX |
| Sep 2025 | 394 | 101 | 3 | 1 | OO |
| Aug 2025 | 398 | 132 | 19 | 0 | OO |
| Jul 2025 | 395 | 162 | 15 | 0 | OO,YX,F9,MQ |
| Jun 2025 | 381 | 138 | 3 | 0 | OO,YX |
| May 2025 | 363 | 88 | 3 | 0 | OO |
| Apr 2025 | 366 | 82 | 4 | 0 | MQ,OO,YX |
| Mar 2025 | 243 | 70 | 2 | 0 | OO |
| Feb 2025 | 196 | 41 | 4 | 0 | OO,YX |
| Jan 2025 | 217 | 48 | 3 | 0 | OO,YX |
| Dec 2024 | 234 | 63 | 0 | 0 | OO,YX |
| Nov 2024 | 260 | 57 | 2 | 0 | OO,YX |
| Oct 2024 | 251 | 44 | 0 | 0 | OO,YX |
| Sep 2024 | 240 | 48 | 0 | 0 | OO |
| Aug 2024 | 228 | 53 | 1 | 0 | YX,OO |
| Jul 2024 | 233 | 57 | 7 | 0 | OO,UA |
| Jun 2024 | 177 | 41 | 5 | 0 | OO |
| May 2024 | 207 | 51 | 6 | 0 | YX,OO |
| Apr 2024 | 208 | 33 | 0 | 0 | MQ,OO |
| Mar 2024 | 203 | 30 | 1 | 0 | MQ,OO,UA |
| Feb 2024 | 167 | 20 | 0 | 0 | MQ,OO |
| Jan 2024 | 156 | 48 | 19 | 0 | OO |
MKE–ORD seasonal on-time pattern
Best: April (84.2%) · weakest: July (73.1%)
Strongest calendar month
April
84.2% on-time · ~172 flights/mo
Busiest calendar month
October
~213 flights/mo avg
Weakest calendar month
July
73.1% on-time · ~206 flights/mo
Cancellation Rate
2.3%
160 of 6,850 flights
Diversion Rate
0.0%
1 of 6,850 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
MKE on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See MKE and ORD side by side on delays, cancellations, and reliability.
Compare MKE vs ORDOrigin-hub reliability standing
Mid-pack among MKE departures
From MKE, this corridor sits with 18 other 75–85% on-time routes out of 27 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #3817 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MKE–ORD.
Routes with a similar on-time rate
What the Data Says About MKE to ORD
The Milwaukee to Chicago corridor (MKE to ORD) posts a 78.1% on-time rate on the lower edge of the average band, based on 13,035 tracked flights. Late flights run 88.5 minutes behind on average. 15 carriers cover the 67-mile route; over the last 24 months, 160 of 6,850 flights were cancelled (2.3%) and 0.0% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 88% on-time, while Jul 2025 came in at just 59% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, MKE–ORD peaks in April at 84.2% on-time while October carries the heaviest traffic (~213 flights per month) ; the softest month is July at 73.1%, a 11.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MKE to ORD rank among US routes by traffic? ▼
How often are flights delayed from MKE to ORD? ▼
What is the cancellation rate for MKE to ORD? ▼
How far is the flight from MKE to ORD? ▼
When is the best time to fly from MKE to ORD? ▼
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 MKE–ORD data
MKE–ORD is mid-pack at 78.1% on-time; month and carrier mix move more than the corridor headline.
- Compare MKE and ORD airport profiles: delay causes and top routes differ even on the same corridor. MKE airport
- If your dates flex, April (84.2% on-time) beats July (73.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.1% 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.