PlainFlights

Route · MDW → HOU · 2020–2025 BTS data

Chicago to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to HOU (Chicago to Houston) ranks #1078 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.9%
On-time
-1.1 pts
vs US avg
52 min
Delay when late
10,712
Flights
#1078 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Oct 2024 92%

Worst Month

Jul 2024 46%

Distance

937 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 146 42 1 0 WN
Nov 2025 143 34 9 0 WN
Oct 2025 154 34 0 0 WN
Sep 2025 161 17 0 0 WN
Aug 2025 166 42 0 1 WN
Jul 2025 186 70 4 2 WN
Jun 2025 178 62 1 0 WN
May 2025 166 38 1 2 WN
Apr 2025 147 33 0 1 WN
Mar 2025 151 26 0 0 WN
Feb 2025 114 13 3 0 WN
Jan 2025 129 29 5 0 WN
Dec 2024 141 26 2 3 WN
Nov 2024 142 16 0 1 WN
Oct 2024 146 11 0 1 WN
Sep 2024 160 22 0 0 WN
Aug 2024 164 39 1 1 WN
Jul 2024 171 92 8 3 WN
Jun 2024 164 60 0 1 WN
May 2024 151 58 4 4 WN
Apr 2024 144 49 0 0 WN
Mar 2024 138 27 1 2 WN
Feb 2024 112 11 0 0 WN
Jan 2024 128 36 6 3 WN

MDW–HOU seasonal on-time pattern

Best: February (84.9%) · weakest: July (63.4%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.2%

Strongest calendar month

February

84.9% on-time · ~130 flights/mo

Busiest calendar month

August

~167 flights/mo avg

Weakest calendar month

July

63.4% on-time · ~166 flights/mo

Cancellation Rate

1.3%

46 of 3,602 flights

Diversion Rate

0.7%

25 of 3,602 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

HOU - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

HOU on-time profile

Compare the two airports

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

Compare MDW vs HOU

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: Houston · fleet on-time rank #3870 of 4927.

What the Data Says About MDW to HOU

The Chicago to Houston corridor (MDW to HOU) posts a 77.9% on-time rate on the lower edge of the average band, based on 10,712 tracked flights. Late flights run 52.3 minutes behind on average. 1 carrier cover the 937-mile route; over the last 24 months, 46 of 3,602 flights were cancelled (1.3%) and 0.7% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 46% - a 46-point swing worth factoring into travel timing.

On the multi-year calendar, MDW–HOU peaks in February at 84.9% on-time while August carries the heaviest traffic (~167 flights per month) ; the softest month is July at 63.4%, a 21.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MDW to HOU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MDW to HOU ranks #1078 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 HOU? ▼
Flights from Chicago to Houston have a 77.9% on-time rate based on 10,712 flights. The average delay is 52.3 minutes. The best recent month was Oct 2024 with 92% on-time.
What is the cancellation rate for MDW to HOU? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (46 of 3,602 flights) and 0.7% were diverted.
How far is the flight from MDW to HOU? ▼
The flight distance from Chicago (MDW) to Houston (HOU) is approximately 937 miles. This route is served by 1 carrier.
When is the best time to fly from MDW to HOU? ▼
The best recent month for on-time performance was Oct 2024 (92% on-time). The worst was Jul 2024 (46% on-time). Consider booking during months with historically better performance.

Airports on this route

MDW Airport

Chicago
HOU Airport

Houston
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–HOU data

MDW–HOU is mid-pack at 77.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare MDW and HOU airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
  • If your dates flex, February (84.9% on-time) beats July (63.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.9% 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.