Carrier route record

OOCLT→IAH

SkyWest Airlines · Charlotte to Houston

Flights: 115
Period: July 2025 to June 2026
Share of route: 5%
Carriers: 4

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with SkyWest Airlines.

SkyWest on CLT to IAH sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.6%. The late ones land about an hour behind schedule. That rests on 115 flights. The strongest carrier on the route with a full sample, United Airlines, flew 394 at 85.8% on time.

The US average over the same twelve months is 77.6%, so there is little to separate SkyWest on CLT to IAH from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

On time

74.3%

Arrivals under 15 minutes late, of 113 completed flights

Avg delay

67 min

Across delayed arrivals only, not all flights

Cancelled

1.74%

National rate is 1.81%

Whole route

77.6%

Every carrier on CLT to IAH, 2,348 flights

These figures cover 115 flights between July 2025 and June 2026. Beyond the headline rate, 10.6% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

SkyWest against every carrier on CLT to IAH

SkyWest flew 115 of the 2,348 flights on CLT to IAH, about 5% of it. Its 74.3% on time is 3 points worse than the route as a whole, which runs 77.6%. Ranked by on-time rate it is last of four carriers on the route, where the range runs from United at 85.8% to SkyWest at 74.3%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.

The choice of carrier is not cosmetic here. United Airlines arrives on time 85.8% of the time; American Airlines manages 76.1%. Sample sizes sit next to every figure, because a two-point gap across 1,623 flights means less than a ten-point one.

On-time performance by carrier on CLT to IAH
Airline	Flights	On time	Avg delay	Cancelled	Grade
United Airlines	394	85.8%	95 min	1.78%	A
American Airlines	1,623	76.1%	73 min	1.60%	B
Frontier Airlinesthin sample	216	75.6%	62 min	5.09%	B−
SkyWest Airlines (this page)thin sample	115	74.3%	67 min	1.74%	C

United leads American by 10 points. Real, but small enough that a better departure time on the weaker carrier can outweigh it.

Departure window

When SkyWest runs best on this route

Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 115 flights.

There are not enough flights in each departure window to split SkyWest's CLT to IAH record by time of day without the percentages moving on noise. The headline rate of 74.3% is the reliable figure here.

Across the year

SkyWest on CLT to IAH through the year

Jul–Sep 20257 flights—
Jan–Mar 202668 flights81.8%
Apr–Jun 202640 flights70.0%

Scale runs 60% to 85%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 74.3% on time across 115 flights.

Split by quarter, SkyWest on CLT to IAH logged 7 flights in Jul–Sep 2025, 68 flights in Jan–Mar 2026 and 40 flights in Apr–Jun 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 74.3% annual figure is the one to use.

Delay causes

Why SkyWest runs late on this route

One category carries most of the weight here. Late-arriving aircraft accounts for 46% of the 1,928 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
46%
Carrier
26%
National Airspace System
16%
Extreme weather
13%

Extreme weather accounts for 13% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.0 times the usual weather exposure. The split is drawn from 1,928 reported delay minutes.

46% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 1,928 reported delay minutes here, that single category outweighs weather by 4 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit.

Cancellations sit at 1.74% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and stage length

What a delay here costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 10.6% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The 912 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The return leg runs 76.1% on time across 115 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

One caution: this is a thin sample. 115 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking SkyWest on CLT to IAH

Put together: treat all of this as provisional. 115 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 74.3% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 113 completed flights over 12 months sit behind that.

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures