Route · HOU → MDW · 2020–2025 BTS data
Houston to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), HOU to MDW (Houston to Chicago) ranks #1074 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81%
- On-time
- +2 pts
- vs US avg
- 55 min
- Delay when late
- 10,734
- Flights
- #1074 of 4927
- Corpus placement
Cancelled
1.4%
Best Month
Sep 2024 96%
Worst Month
Jul 2025 65%
Distance
937 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 144 | 33 | 0 | 0 | WN |
| Nov 2025 | 145 | 35 | 8 | 1 | WN |
| Oct 2025 | 154 | 32 | 0 | 0 | WN |
| Sep 2025 | 163 | 18 | 1 | 0 | WN |
| Aug 2025 | 167 | 37 | 3 | 0 | WN |
| Jul 2025 | 187 | 66 | 3 | 2 | WN |
| Jun 2025 | 179 | 55 | 3 | 0 | WN |
| May 2025 | 161 | 33 | 1 | 0 | WN |
| Apr 2025 | 142 | 20 | 0 | 0 | WN |
| Mar 2025 | 150 | 17 | 0 | 1 | WN |
| Feb 2025 | 112 | 11 | 2 | 0 | WN |
| Jan 2025 | 128 | 16 | 6 | 0 | WN |
| Dec 2024 | 140 | 33 | 1 | 0 | WN |
| Nov 2024 | 143 | 16 | 0 | 1 | WN |
| Oct 2024 | 145 | 21 | 1 | 0 | WN |
| Sep 2024 | 160 | 7 | 0 | 1 | WN |
| Aug 2024 | 164 | 23 | 0 | 0 | WN |
| Jul 2024 | 170 | 54 | 9 | 2 | WN |
| Jun 2024 | 164 | 41 | 0 | 1 | WN |
| May 2024 | 150 | 42 | 2 | 2 | WN |
| Apr 2024 | 144 | 29 | 0 | 0 | WN |
| Mar 2024 | 138 | 21 | 2 | 0 | WN |
| Feb 2024 | 112 | 13 | 0 | 1 | WN |
| Jan 2024 | 128 | 28 | 10 | 1 | WN |
HOU–MDW seasonal on-time pattern
Best: March (88.8%) · weakest: June (70.7%)
Strongest calendar month
March
88.8% on-time · ~152 flights/mo
Busiest calendar month
July
~170 flights/mo avg
Weakest calendar month
June
70.7% on-time · ~154 flights/mo
Cancellation Rate
1.4%
52 of 3,590 flights
Diversion Rate
0.4%
13 of 3,590 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
HOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
HOU on-time profileMDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profileCompare the two airports
See HOU and MDW side by side on delays, cancellations, and reliability.
Compare HOU vs MDWOrigin-hub reliability standing
Mid-pack among HOU departures
From HOU, this corridor sits with 43 other 75–85% on-time routes out of 50 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 6 below 75%). Destination: Chicago · fleet on-time rank #2742 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to HOU–MDW.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About HOU to MDW
10,734 tracked flights put the HOU to MDW pairing (Houston to Chicago) at a 81% on-time rate, squarely in line with the wider network. Delays that do occur run 55.3 minutes on average. Across the 937-mile route and its 1 carrier, the trailing 24 months show 1.4% cancelled and 0.4% diverted (3,590 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 96% on-time, while Jul 2025 came in at just 65% - a 31-point swing worth factoring into travel timing.
On the multi-year calendar, HOU–MDW peaks in March at 88.8% on-time while July carries the heaviest traffic (~170 flights per month) ; the softest month is June at 70.7%, 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 HOU to MDW rank among US routes by traffic? ▼
How often are flights delayed from HOU to MDW? ▼
What is the cancellation rate for HOU to MDW? ▼
How far is the flight from HOU to MDW? ▼
When is the best time to fly from HOU 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 HOU–MDW data
HOU–MDW is mid-pack at 81% on-time; month and carrier mix move more than the corridor headline.
- Compare HOU and MDW airport profiles: delay causes and top routes differ even on the same corridor. HOU airport
- If your dates flex, March (88.8% on-time) beats June (70.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 81% 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.