Route · IAH → MKE · 2020–2025 BTS data
Houston to Milwaukee
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to MKE (Houston to Milwaukee) ranks #3576 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.6%
- On-time
- +1.6 pts
- vs US avg
- 74 min
- Delay when late
- 2,421
- Flights
- #3576 of 4927
- Corpus placement
Cancelled
1.7%
Best Month
Nov 2023 95%
Worst Month
Dec 2022 60%
Distance
984 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 30 | 2 | 0 | 0 | OO |
| Aug 2025 | 31 | 7 | 0 | 0 | OO |
| Jul 2025 | 31 | 8 | 0 | 0 | OO |
| Sep 2024 | 30 | 6 | 0 | 0 | OO |
| Aug 2024 | 31 | 9 | 0 | 1 | OO |
| Jul 2024 | 44 | 16 | 3 | 0 | OO,UA |
| Jun 2024 | 30 | 16 | 1 | 0 | OO |
| May 2024 | 32 | 12 | 3 | 1 | OO |
| Apr 2024 | 30 | 4 | 0 | 0 | OO |
| Dec 2023 | 40 | 3 | 0 | 0 | OO,UA |
| Nov 2023 | 58 | 3 | 0 | 0 | OO,UA |
| Oct 2023 | 34 | 5 | 0 | 0 | OO,UA |
| Sep 2023 | 53 | 7 | 0 | 0 | OO,UA |
| Aug 2023 | 31 | 6 | 1 | 0 | UA |
| Jul 2023 | 31 | 11 | 0 | 0 | UA |
| Jun 2023 | 31 | 10 | 4 | 0 | OO,UA |
| May 2023 | 61 | 12 | 1 | 0 | OO |
| Apr 2023 | 59 | 10 | 0 | 0 | OO |
| Mar 2023 | 62 | 7 | 0 | 0 | OO |
| Feb 2023 | 55 | 11 | 2 | 0 | OO |
| Jan 2023 | 58 | 21 | 3 | 1 | OO |
| Dec 2022 | 62 | 25 | 0 | 0 | OO |
| Nov 2022 | 60 | 14 | 0 | 0 | OO |
| Oct 2022 | 62 | 8 | 0 | 0 | OO |
IAH–MKE seasonal on-time pattern
Best: March (89.2%) · weakest: June (72.1%)
Strongest calendar month
March
89.2% on-time · ~53 flights/mo
Busiest calendar month
February
~54 flights/mo avg
Weakest calendar month
June
72.1% on-time · ~45 flights/mo
Cancellation Rate
1.7%
18 of 1,046 flights
Diversion Rate
0.3%
3 of 1,046 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileMKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
MKE on-time profileCompare the two airports
See IAH and MKE side by side on delays, cancellations, and reliability.
Compare IAH vs MKEOrigin-hub reliability standing
Mid-pack among IAH departures
From IAH, this corridor sits with 79 other 75–85% on-time routes out of 102 tracked departures, not the hub's reliability leaders (17 at ≥85%) and not the softest ( 6 below 75%). Destination: Milwaukee · fleet on-time rank #2887 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–MKE.
Routes with a similar on-time rate
What the Data Says About IAH to MKE
2,421 tracked flights put the IAH to MKE pairing (Houston to Milwaukee) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 73.6 minutes on average. Across the 984-mile route and its 6 carriers, the trailing 24 months show 1.7% cancelled and 0.3% diverted (1,046 flights sampled).
The monthly split is wide on this route: Nov 2023 posted the strongest performance at 95% on-time, while Dec 2022 came in at just 60% - a 35-point swing worth factoring into travel timing.
On the multi-year calendar, IAH–MKE peaks in March at 89.2% on-time while February carries the heaviest traffic (~54 flights per month) ; the softest month is June at 72.1%, a 17.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to MKE rank among US routes by traffic? ▼
How often are flights delayed from IAH to MKE? ▼
What is the cancellation rate for IAH to MKE? ▼
How far is the flight from IAH to MKE? ▼
When is the best time to fly from IAH to MKE? ▼
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 IAH–MKE data
IAH–MKE is mid-pack at 80.6% on-time; month and carrier mix move more than the corridor headline.
- Compare IAH and MKE airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, March (89.2% on-time) beats June (72.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.6% 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.