Flight number record

UA 575

United Airlines · Charlotte to Houston

Route: CLT → IAH
Departs: 07:00
Flights: 364
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s UA 575, check with United Airlines.

UA 575 earns an A. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 12 points better than the national rate of 77.6%. When something does go wrong the average delay runs close to two hours. That rests on 364 flights, with a median arrival 12 minutes early.

Set against the rest of the country, UA 575's record is 12 points better than the US average of 77.6%. That gap is worth roughly 115 fewer late arrivals for every thousand flights.

On time

89.1%

Arrivals under 15 minutes late, of 357 completed flights

Avg delay

100 min

Across delayed arrivals only, not all flights

Cancelled

1.92%

National rate is 1.81%

1 hour+ late

3.4%

National rate is 8.1%

These figures cover 364 flights between July 2025 and June 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Schedule

When UA 575 flies

UA 575 flies CLT to IAH without a single fixed slot. Its most common scheduled departure was 07:00, used on 151 of 364 flights, with 06:45 (110 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 07:00151 flights41.5%
Departs 06:45110 flights30.2%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 07:00 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and UA 575 runs level with that at 89.1%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

UA 575 next to CLT to IAH

Every carrier on CLT to IAH combined arrived on time 77.6% of the time across 2,348 flights, so UA 575 is 12 points ahead of it. Across its whole network United Airlines managed 79.0%, which this flight beats by 10 points.

UA 575 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
UA 575thin sample	364	89.1%	100 min	1.92%	A
All United Airlines on CLT–IAH	394	85.8%	95 min	1.78%	A
All carriers on CLT–IAH	2,348	77.6%	74 min	1.96%	B
United Airlines, whole network	821,041	79.0%	72 min	1.01%	B

Across the year

UA 575 quarter by quarter

UA 575 did not run the same all year. Its best quarter was Jan–Mar 2026 at 93.0% on time and its weakest Apr–Jun 2026 at 79.1%, a swing of 14 points on roughly 91 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Jul–Sep 202592 flights92.0%
Oct–Dec 202592 flights92.4%
Jan–Mar 202689 flights93.0%
Apr–Jun 202691 flights79.1%

Scale runs 70% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, UA 575 did best on Thursday at 96.1% on time and worst on Friday at 80.8%. Each day rests on about 52 flights, so a gap of 15 points is worth noticing but could still narrow in another year.

Delay causes

Why UA 575 runs late

One category carries most of the weight here. Carrier accounts for 77% of the 3,912 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.

Carrier
77%
National Airspace System
23%

The largest share of delay minutes, 77%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 2,994 of the 3,912 delay minutes reported here. The split is drawn from 3,912 delay minutes reported on UA 575.

Cancellations sit at 1.92% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and routes

What a delay on this flight costs

Badly late arrivals are rare here: only 3.4% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

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 same number turns up on three other city pairs in the data, including IAH to MSY (169), IAH to PHX (19) and ORF to EWR (1), but none flew often enough under UA 575 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to CLT to IAH only.

One caution: this is a thin sample. 364 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 UA 575

For a booking, read UA 575 as 89.1% on time with 1.92% cancelled over 364 flights. Those are rates from the past twelve months, not a forecast for any particular day.

Where to go next

A flight number here means United Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.

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