Route · IAH → CVG · 2020–2025 BTS data
Houston to Cincinnati
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to CVG (Houston to Cincinnati) ranks #2744 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.1%
- On-time
- +1.1 pts
- vs US avg
- 71 min
- Delay when late
- 4,374
- Flights
- #2744 of 4927
- Corpus placement
Cancelled
1.6%
Best Month
Dec 2023 84%
Worst Month
May 2024 54%
Distance
871 mi
Carriers
18
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 44 | 18 | 0 | 0 | F9,UA |
| Nov 2025 | 69 | 19 | 0 | 0 | UA,F9 |
| Oct 2025 | 65 | 14 | 0 | 0 | UA,F9 |
| Sep 2025 | 66 | 16 | 0 | 0 | UA,F9 |
| Aug 2025 | 50 | 12 | 1 | 0 | F9,UA |
| Jul 2025 | 39 | 13 | 1 | 0 | UA,F9 |
| Jun 2025 | 65 | 17 | 0 | 0 | UA,F9 |
| May 2025 | 68 | 15 | 1 | 0 | UA,F9 |
| Apr 2025 | 30 | 7 | 0 | 0 | UA |
| Mar 2025 | 31 | 15 | 0 | 0 | UA |
| Jan 2025 | 31 | 6 | 2 | 0 | UA |
| Dec 2024 | 36 | 12 | 2 | 0 | F9,UA |
| Nov 2024 | 44 | 9 | 0 | 0 | UA,F9 |
| Oct 2024 | 61 | 11 | 0 | 0 | UA,F9 |
| Sep 2024 | 67 | 19 | 0 | 0 | UA,F9 |
| Aug 2024 | 62 | 22 | 1 | 0 | F9,OO,UA |
| Jul 2024 | 39 | 19 | 5 | 0 | F9,UA |
| Jun 2024 | 50 | 17 | 0 | 0 | F9,OO,UA |
| May 2024 | 61 | 28 | 4 | 0 | F9,OO,UA |
| Apr 2024 | 60 | 14 | 0 | 0 | UA |
| Mar 2024 | 31 | 15 | 1 | 0 | UA |
| Feb 2024 | 31 | 4 | 0 | 0 | UA |
| Jan 2024 | 39 | 10 | 1 | 0 | UA |
| Dec 2023 | 62 | 10 | 0 | 0 | UA |
IAH–CVG seasonal on-time pattern
Best: February (86.4%) · weakest: July (69.1%)
Strongest calendar month
February
86.4% on-time · ~66 flights/mo
Busiest calendar month
March
~71 flights/mo avg
Weakest calendar month
July
69.1% on-time · ~57 flights/mo
Cancellation Rate
1.6%
19 of 1,201 flights
Diversion Rate
0.0%
0 of 1,201 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 profileCVG - Cincinnati
Full on-time, delay-cause, and seasonal performance for Cincinnati, OH.
CVG on-time profileCompare the two airports
See IAH and CVG side by side on delays, cancellations, and reliability.
Compare IAH vs CVGOrigin-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: Cincinnati · fleet on-time rank #3101 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–CVG.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About IAH to CVG
4,374 tracked flights put the IAH to CVG pairing (Houston to Cincinnati) at a 80.1% on-time rate, squarely in line with the wider network. Delays that do occur run 70.6 minutes on average. Across the 871-mile route and its 18 carriers, the trailing 24 months show 1.6% cancelled and 0.0% diverted (1,201 flights sampled).
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 84% on-time, while May 2024 came in at just 54% - a 30-point swing worth factoring into travel timing.
On the multi-year calendar, IAH–CVG peaks in February at 86.4% on-time while March carries the heaviest traffic (~71 flights per month) ; the softest month is July at 69.1%, a 17.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to CVG rank among US routes by traffic? ▼
How often are flights delayed from IAH to CVG? ▼
What is the cancellation rate for IAH to CVG? ▼
How far is the flight from IAH to CVG? ▼
When is the best time to fly from IAH to CVG? ▼
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–CVG data
IAH–CVG is mid-pack at 80.1% on-time; month and carrier mix move more than the corridor headline.
- Compare IAH and CVG airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, February (86.4% on-time) beats July (69.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.1% 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.