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DelayAtlas

Carrier route record

UACLEFLL

United Airlines · Cleveland to Fort Lauderdale

Flights
506
Period
July 2025 to June 2026
Share of route
43%
Carriers
4
A+GRADE

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

United on CLE to FLL 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 13 points better than the national rate of 77.6%. When something does go wrong the average delay runs about an hour. That rests on 506 flights, with a median arrival 13 minutes early.

Set against the rest of the country, United's CLE to FLL record is 13 points better than the US average of 77.6%. That gap is worth roughly 128 fewer late arrivals for every thousand flights.

Key figures

On time

90.4%

Arrivals under 15 minutes late, of 500 completed flights

Avg delay

68 min

Across delayed arrivals only, not all flights

Cancelled

0.79%

National rate is 1.81%

Whole route

80.6%

Every carrier on CLE to FLL, 1,164 flights

These figures cover 506 flights between July 2025 and June 2026. The median arrival is 13 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.

Carrier by carrier

United against every carrier on CLE to FLL

United flew 506 of the 1,164 flights on CLE to FLL, about 43% of it. Its 90.4% on time is 10 points better than the route as a whole, which runs 80.6%. Ranked by on-time rate it is first of four carriers on the route, where the range runs from United at 90.4% to Southwest at 0.0%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on CLE to FLL
AirlineFlightsOn timeAvg delayCancelledGrade
United Airlines (this page)50690.4%68 min0.79%A+
Frontier Airlines42575.4%90 min1.88%B
Spirit Airlinesthin sample23268.6%75 min4.74%C−
Southwest Airlinesthin sample10.0%124 min0.00%F+

Flight by flight

United flight numbers on CLE to FLL

Departure window

When United runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 11 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am293 flights94.1%
  • 8am–11am154 flights82.8%
  • 11am–2pm39 flights87.2%
  • 2pm–5pm
  • 5pm–8pm20 flights
  • 8pm–5am

Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.

Book the early departure. Flights leaving between 5am–8am arrive on time 94.1% of the time, against 82.8% for the morning window. That is 11 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 293 flights scheduled in it.

Across the year

United on CLE to FLL through the year

  • Jul–Sep 202578 flights96.2%
  • Oct–Dec 202584 flights90.5%
  • Jan–Mar 2026157 flights85.6%
  • Apr–Jun 2026187 flights91.9%

Scale runs 75% to 100%. 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 90.4% on time across 506 flights.

United on CLE to FLL did not run the same all year. Its best quarter was Jul–Sep 2025 at 96.2% on time and its weakest Jan–Mar 2026 at 85.6%, a swing of 11 points on roughly 127 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.

Across the week, Friday is the strongest day at 95.0% on time and Sunday the weakest at 81.0%. 14 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week90.5Mon89.5Tue94.4Wed91.0Thu95.0Fri91.1Sat81.0Sun
Monday: 90.5 percent on time. Tuesday: 89.5 percent on time. Wednesday: 94.4 percent on time. Thursday: 91.0 percent on time. Friday: 95.0 percent on time. Saturday: 91.1 percent on time. Sunday: 81.0 percent on time

Delay causes

Why United runs late on this route

One category carries most of the weight here. Carrier accounts for 46% of the 3,259 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
    46%
  • National Airspace System
    31%
  • Late-arriving aircraft
    16%
  • Extreme weather
    7%

The largest share of delay minutes, 46%, 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 1,512 of the 3,259 delay minutes reported here. The split is drawn from 3,259 reported delay minutes.

Cancellations are rare at 0.79%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

Badly late arrivals are rare here: only 3.0% 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 1,062 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 91.4% on time across 506 flights, within about a point 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. 506 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 United on CLE to FLL

Put together: treat all of this as provisional. 506 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 90.4% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 500 completed flights over 12 months sit behind that.

Related

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.