Route · CVG → IAH · 2020–2025 BTS data
Cincinnati to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CVG to IAH (Cincinnati to Houston) ranks #2735 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 79 min
- Delay when late
- 4,382
- Flights
- #2735 of 4927
- Corpus placement
Cancelled
1.6%
Best Month
Dec 2023 95%
Worst Month
May 2024 77%
Distance
871 mi
Carriers
19
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 44 | 9 | 0 | 0 | F9,UA |
| Nov 2025 | 69 | 14 | 0 | 0 | UA,F9 |
| Oct 2025 | 65 | 10 | 0 | 0 | UA,F9 |
| Sep 2025 | 66 | 9 | 0 | 0 | UA,F9 |
| Aug 2025 | 50 | 8 | 0 | 0 | F9,UA |
| Jul 2025 | 39 | 3 | 2 | 0 | UA,F9 |
| Jun 2025 | 65 | 9 | 0 | 1 | UA,F9 |
| May 2025 | 68 | 9 | 1 | 1 | UA,F9 |
| Apr 2025 | 30 | 5 | 0 | 0 | UA |
| Mar 2025 | 31 | 2 | 0 | 0 | UA |
| Jan 2025 | 31 | 2 | 3 | 0 | UA |
| Dec 2024 | 36 | 2 | 2 | 0 | F9,UA |
| Nov 2024 | 44 | 2 | 0 | 0 | UA,F9 |
| Oct 2024 | 63 | 5 | 0 | 0 | UA,F9 |
| Sep 2024 | 66 | 12 | 0 | 0 | UA,F9 |
| Aug 2024 | 62 | 6 | 1 | 0 | F9,OO,UA |
| Jul 2024 | 39 | 8 | 4 | 0 | F9,UA |
| Jun 2024 | 50 | 7 | 0 | 0 | F9,OO,UA |
| May 2024 | 61 | 14 | 4 | 1 | F9,OO,UA |
| Apr 2024 | 60 | 12 | 0 | 0 | UA |
| Mar 2024 | 31 | 2 | 1 | 1 | UA |
| Feb 2024 | 31 | 2 | 0 | 0 | UA |
| Jan 2024 | 39 | 6 | 1 | 0 | UA |
| Dec 2023 | 62 | 3 | 0 | 0 | UA |
CVG–IAH seasonal on-time pattern
Best: September (89.4%) · weakest: July (76.9%)
Strongest calendar month
September
89.4% on-time · ~66 flights/mo
Busiest calendar month
March
~71 flights/mo avg
Weakest calendar month
July
76.9% on-time · ~56 flights/mo
Cancellation Rate
1.6%
19 of 1,202 flights
Diversion Rate
0.3%
4 of 1,202 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CVG - Cincinnati
Full on-time, delay-cause, and seasonal performance for Cincinnati, OH.
CVG on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See CVG and IAH side by side on delays, cancellations, and reliability.
Compare CVG vs IAHOrigin-hub reliability standing
Mid-pack among CVG departures
From CVG, this corridor sits with 21 other 75–85% on-time routes out of 34 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 4 below 75%). Destination: Houston · fleet on-time rank #1424 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CVG–IAH.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About CVG to IAH
Bureau of Transportation Statistics records show Cincinnati to Houston (CVG to IAH) running a 84.4% on-time rate over 4,382 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.9 minutes. The 871-mile corridor is served by 19 carriers, and over the last 24 months 1.6% of 1,202 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 95% on-time, while May 2024 came in at just 77% - a 18-point swing worth factoring into travel timing.
On the multi-year calendar, CVG–IAH peaks in September at 89.4% on-time while March carries the heaviest traffic (~71 flights per month) ; the softest month is July at 76.9%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CVG to IAH rank among US routes by traffic? ▼
How often are flights delayed from CVG to IAH? ▼
What is the cancellation rate for CVG to IAH? ▼
How far is the flight from CVG to IAH? ▼
When is the best time to fly from CVG to IAH? ▼
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 CVG–IAH data
CVG–IAH runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare CVG and IAH airport profiles: delay causes and top routes differ even on the same corridor. CVG airport
- If your dates flex, September (89.4% on-time) beats July (76.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% 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.