Route · CLE → IAH · 2020–2025 BTS data
Cleveland to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLE to IAH (Cleveland to Houston) ranks #2183 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.3%
- On-time
- +7.3 pts
- vs US avg
- 67 min
- Delay when late
- 5,745
- Flights
- #2183 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
Sep 2024 98%
Worst Month
May 2024 69%
Distance
1,091 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 61 | 12 | 0 | 0 | UA |
| Nov 2025 | 60 | 6 | 0 | 0 | UA |
| Oct 2025 | 62 | 5 | 0 | 0 | UA |
| Sep 2025 | 60 | 2 | 0 | 0 | UA |
| Aug 2025 | 80 | 7 | 0 | 0 | UA |
| Jul 2025 | 88 | 16 | 0 | 0 | UA |
| Jun 2025 | 90 | 19 | 2 | 1 | UA |
| May 2025 | 91 | 18 | 1 | 0 | UA |
| Apr 2025 | 86 | 8 | 0 | 0 | UA |
| Mar 2025 | 92 | 8 | 0 | 0 | UA |
| Feb 2025 | 76 | 14 | 0 | 0 | UA |
| Jan 2025 | 82 | 14 | 3 | 0 | UA |
| Dec 2024 | 86 | 13 | 0 | 0 | OO,UA |
| Nov 2024 | 99 | 5 | 0 | 0 | OO,UA |
| Oct 2024 | 118 | 7 | 0 | 0 | UA,OO,F9 |
| Sep 2024 | 121 | 2 | 1 | 0 | UA,F9 |
| Aug 2024 | 124 | 14 | 0 | 0 | F9,UA |
| Jul 2024 | 110 | 30 | 7 | 1 | F9,UA |
| Jun 2024 | 124 | 25 | 3 | 2 | F9,UA |
| May 2024 | 110 | 34 | 1 | 2 | F9,UA |
| Apr 2024 | 86 | 11 | 1 | 0 | UA |
| Mar 2024 | 89 | 14 | 0 | 0 | UA |
| Feb 2024 | 87 | 5 | 1 | 0 | UA |
| Jan 2024 | 92 | 25 | 3 | 0 | UA |
CLE–IAH seasonal on-time pattern
Best: September (94.6%) · weakest: July (78.9%)
Strongest calendar month
September
94.6% on-time · ~87 flights/mo
Busiest calendar month
June
~89 flights/mo avg
Weakest calendar month
July
78.9% on-time · ~85 flights/mo
Cancellation Rate
1.1%
23 of 2,174 flights
Diversion Rate
0.3%
6 of 2,174 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CLE - Cleveland
Full on-time, delay-cause, and seasonal performance for Cleveland, OH.
CLE on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See CLE and IAH side by side on delays, cancellations, and reliability.
Compare CLE vs IAHOrigin-hub reliability standing
Among CLE's stronger departures
CLE → IAH posts a 86.3% on-time rate, landing in the ≥85% band with 12 of 30 BTS-tracked routes leaving Cleveland. The same hub also shows 17 mid-band and 1 challenged departures · fleet-wide on-time rank #817 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CLE–IAH.
Routes with a similar on-time rate
What the Data Says About CLE to IAH
Cleveland to Houston (CLE to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.3% on-time rate across 5,745 flights, with delays that do happen averaging 67.3 minutes. The corridor runs roughly 1,091 miles and is served by 16 carriers. Over the most recent 24 months, 23 of 2,174 flights were cancelled (1.1%) and 6 diverted (0.3%).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 98% on-time, while May 2024 came in at just 69% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, CLE–IAH peaks in September at 94.6% on-time while June carries the heaviest traffic (~89 flights per month) ; the softest month is July at 78.9%, a 15.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CLE to IAH rank among US routes by traffic? ▼
How often are flights delayed from CLE to IAH? ▼
What is the cancellation rate for CLE to IAH? ▼
How far is the flight from CLE to IAH? ▼
When is the best time to fly from CLE 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 CLE–IAH data
CLE–IAH runs 7.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare CLE and IAH airport profiles: delay causes and top routes differ even on the same corridor. CLE airport
- If your dates flex, September (94.6% on-time) beats July (78.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.3% 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.