PlainFlights

Route · IAH → CLE · 2020–2025 BTS data

Houston to Cleveland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to CLE (Houston to Cleveland) ranks #2171 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.5%
On-time
+4.5 pts
vs US avg
71 min
Delay when late
5,767
Flights
#2171 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Feb 2024 94%

Worst Month

Jul 2024 57%

Distance

1,091 mi

Carriers

15

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 63 9 0 0 UA
Nov 2025 60 9 0 0 UA
Oct 2025 62 4 0 0 UA
Sep 2025 60 6 0 1 UA
Aug 2025 80 15 1 0 UA
Jul 2025 88 20 0 0 UA
Jun 2025 90 20 3 1 UA
May 2025 91 11 1 0 UA
Apr 2025 86 8 0 0 UA
Mar 2025 92 10 0 0 UA
Feb 2025 76 7 0 0 UA
Jan 2025 82 10 4 0 UA
Dec 2024 87 21 0 0 OO,UA
Nov 2024 99 8 0 0 OO,UA
Oct 2024 118 15 0 0 UA,OO,F9
Sep 2024 121 23 1 0 UA,F9
Aug 2024 124 23 1 1 F9,UA
Jul 2024 110 47 5 0 F9,UA
Jun 2024 124 43 2 0 F9,UA
May 2024 109 40 2 1 F9,UA
Apr 2024 86 14 1 0 UA
Mar 2024 89 23 0 0 UA
Feb 2024 87 5 1 0 UA
Jan 2024 92 14 4 1 UA

IAH–CLE seasonal on-time pattern

Best: November (90.7%) · weakest: July (71.1%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 85.4%

Strongest calendar month

November

90.7% on-time · ~79 flights/mo

Busiest calendar month

June

~89 flights/mo avg

Weakest calendar month

July

71.1% on-time · ~85 flights/mo

Cancellation Rate

1.2%

26 of 2,176 flights

Diversion Rate

0.2%

5 of 2,176 flights

Origin-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: Cleveland · fleet on-time rank #1757 of 4927.

What the Data Says About IAH to CLE

Bureau of Transportation Statistics records show Houston to Cleveland (IAH to CLE) running a 83.5% on-time rate over 5,767 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 71.0 minutes. The 1,091-mile corridor is served by 15 carriers, and over the last 24 months 1.2% of 2,176 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while Jul 2024 came in at just 57% - a 37-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–CLE peaks in November at 90.7% on-time while June carries the heaviest traffic (~89 flights per month) ; the softest month is July at 71.1%, a 19.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to CLE rank among US routes by traffic?
According to PlainFlights' route traffic ranking, IAH to CLE ranks #2171 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 IAH to CLE?
Flights from Houston to Cleveland have a 83.5% on-time rate based on 5,767 flights. The average delay is 71.0 minutes. The best recent month was Feb 2024 with 94% on-time.
What is the cancellation rate for IAH to CLE?
Over the last 24 months, 1.2% of flights on this route were cancelled (26 of 2,176 flights) and 0.2% were diverted.
How far is the flight from IAH to CLE?
The flight distance from Houston (IAH) to Cleveland (CLE) is approximately 1,091 miles. This route is served by 15 carriers.
When is the best time to fly from IAH to CLE?
The best recent month for on-time performance was Feb 2024 (94% on-time). The worst was Jul 2024 (57% on-time). Consider booking during months with historically better performance.

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.

Using IAH–CLE data

IAH–CLE runs 4.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAH and CLE airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, November (90.7% on-time) beats July (71.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.5% 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.