Route · CLT → IAH · 2020–2025 BTS data
Charlotte to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLT to IAH (Charlotte to Houston) ranks #703 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79%
- On-time
- +0 pts
- vs US avg
- 74 min
- Delay when late
- 13,996
- Flights
- #703 of 4927
- Corpus placement
Cancelled
1.9%
Best Month
Sep 2025 90%
Worst Month
Jul 2024 55%
Distance
912 mi
Carriers
33
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 167 | 28 | 0 | 0 | F9,AA,UA |
| Nov 2025 | 174 | 26 | 1 | 1 | UA,F9,AA |
| Oct 2025 | 186 | 33 | 1 | 0 | AA,UA,F9 |
| Sep 2025 | 174 | 18 | 1 | 0 | UA,F9,AA |
| Aug 2025 | 183 | 68 | 2 | 1 | AA,OO,F9,UA |
| Jul 2025 | 222 | 88 | 6 | 0 | AA,OO,UA,F9 |
| Jun 2025 | 215 | 78 | 4 | 2 | AA,OH,OO,UA,F9 |
| May 2025 | 215 | 69 | 2 | 2 | AA,UA,F9 |
| Apr 2025 | 208 | 42 | 1 | 0 | F9,UA,AA |
| Mar 2025 | 226 | 58 | 2 | 0 | AA,UA,F9 |
| Feb 2025 | 201 | 39 | 3 | 1 | AA,UA,F9 |
| Jan 2025 | 223 | 47 | 19 | 1 | AA,UA,F9 |
| Dec 2024 | 202 | 52 | 1 | 0 | AA,F9,NK,UA |
| Nov 2024 | 199 | 36 | 0 | 1 | UA,NK,F9,AA |
| Oct 2024 | 238 | 49 | 0 | 0 | UA,NK,F9,AA |
| Sep 2024 | 235 | 46 | 2 | 1 | NK,UA,AA,F9 |
| Aug 2024 | 255 | 69 | 7 | 1 | AA,F9,NK,UA |
| Jul 2024 | 258 | 116 | 24 | 0 | AA,F9,NK,UA |
| Jun 2024 | 238 | 91 | 6 | 2 | AA,F9,NK,UA |
| May 2024 | 206 | 90 | 10 | 3 | AA,F9,UA |
| Apr 2024 | 203 | 51 | 1 | 1 | AA,F9,UA |
| Mar 2024 | 211 | 49 | 1 | 0 | AA,OO,UA |
| Feb 2024 | 193 | 24 | 0 | 0 | AA,OO,UA |
| Jan 2024 | 191 | 50 | 3 | 1 | AA,UA |
CLT–IAH seasonal on-time pattern
Best: September (85.1%) · weakest: July (69.1%)
Strongest calendar month
September
85.1% on-time · ~191 flights/mo
Busiest calendar month
March
~209 flights/mo avg
Weakest calendar month
July
69.1% on-time · ~206 flights/mo
Cancellation Rate
1.9%
97 of 5,023 flights
Diversion Rate
0.4%
18 of 5,023 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CLT - Charlotte
Full on-time, delay-cause, and seasonal performance for Charlotte, NC.
CLT on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See CLT and IAH side by side on delays, cancellations, and reliability.
Compare CLT vs IAHOrigin-hub reliability standing
Mid-pack among CLT departures
From CLT, this corridor sits with 116 other 75–85% on-time routes out of 129 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 8 below 75%). Destination: Houston · fleet on-time rank #3507 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CLT–IAH.
Routes with a similar on-time rate
What the Data Says About CLT to IAH
13,996 tracked flights put the CLT to IAH pairing (Charlotte to Houston) at a 79% on-time rate, squarely in line with the wider network. Delays that do occur run 74.4 minutes on average. Across the 912-mile route and its 33 carriers, the trailing 24 months show 1.9% cancelled and 0.4% diverted (5,023 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 55% - a 35-point swing worth factoring into travel timing.
On the multi-year calendar, CLT–IAH peaks in September at 85.1% on-time while March carries the heaviest traffic (~209 flights per month) ; the softest month is July at 69.1%, a 16.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CLT to IAH rank among US routes by traffic? ▼
How often are flights delayed from CLT to IAH? ▼
What is the cancellation rate for CLT to IAH? ▼
How far is the flight from CLT to IAH? ▼
When is the best time to fly from CLT 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 CLT–IAH data
CLT–IAH is mid-pack at 79% on-time; month and carrier mix move more than the corridor headline.
- Compare CLT and IAH airport profiles: delay causes and top routes differ even on the same corridor. CLT airport
- If your dates flex, September (85.1% on-time) beats July (69.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 79% 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.