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DelayAtlas

Carrier route record

UAFAT→LAX

United Airlines · Fresno to Los Angeles

Flights
199
Period
September 2025 to August 2026
Share of route
21%
Carriers
2
A+GRADE

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

United on FAT to LAX earns an A+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 8 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 199 flights, with a median arrival 5 minutes early.

Set against the rest of the country, United's FAT to LAX record is 8 points better than the US average of 77.3%. That gap is worth roughly 81 fewer late arrivals for every thousand flights.

Key figures

On time

85.4%

Arrivals under 15 minutes late, of 199 completed flights

Avg delay

60 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.89%

Whole route

84.7%

Every carrier on FAT to LAX, 967 flights

These figures cover 199 flights between September 2025 and August 2026. The median arrival is 5 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.

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Carrier by carrier

United against every carrier on FAT to LAX

United flew 199 of the 967 flights on FAT to LAX, about 21% of it. Its 85.4% on time is about level with the route as a whole at 84.7%. Ranked by on-time rate it is first of two carriers on the route, where the range runs from United at 85.4% to SkyWest at 84.5%.

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 FAT to LAX
AirlineFlightsOn timeAvg delayCancelledGrade
United Airlines (this page)thin sample19985.4%60 min0.00%A+
SkyWest Airlines76884.5%68 min0.65%B+

Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.

Departure window

When United 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 199 flights.

There are not enough flights in each departure window to split United's FAT to LAX record by time of day without the percentages moving on noise. The headline rate of 85.4% is the reliable figure here.

Across the year

United on FAT to LAX through the year

  • Jan–Mar 202648 flights93.8%
  • Apr–Jun 202690 flights84.4%
  • Jul–Sep 202661 flights80.3%

Scale runs 70% to 100%.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 85.4% on time across 199 flights.

United on FAT to LAX did not run the same all year. Its best quarter was Jan–Mar 2026 at 93.8% on time and its weakest Jul–Sep 2026 at 80.3%, a swing of 14 points on roughly 66 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.

Arrival by arrival

How late United on FAT to LAX runs when it is late

Most of the lateness is short. 17 of the 29 late arrivals were under half an hour behind, and 8 reached an hour or more.

  • 15+ min early38 flights19.1%
  • Within 15 min132 flights66.3%
  • 15–29 min late17 flights8.5%
  • 30–59 min late4 flights2.0%
  • 1–2 hours late5 flights2.5%
  • 2+ hours late3 flights1.5%

Scale runs 0% to 100%.

Share of 199 completed flights by arrival against schedule.

Only 15 of 199 completed flights left 15 minutes late or more, too few to say how often the time is made up.

The worst days

Worst days for United on FAT to LAX

The latest arrival of the period was on 13 August 2026, 8 hours 21 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on four of the five worst days.

The latest arrivals of United on FAT to LAX in the period
DateArrived late byLargest filed cause
13 August 20268 hours 21 minutesCarrier
1 April 20262 hours 45 minutesCarrier
28 June 20262 hours 3 minutesNational Airspace System
10 July 20261 hour 40 minutesCarrier
19 May 20261 hour 38 minutesCarrier

Delay causes

Why United runs late on this route

Carrier accounts for 67% of the 1,739 delay minutes carriers reported here, and the remaining four split what is left.

  • Carrier
    67%
  • National Airspace System
    33%

33% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 579 minutes out of 1,739, against a national NAS share of 21%. The split is drawn from 1,739 reported delay minutes.

The largest share of delay minutes, 67%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 1,160 of the 1,739 delay minutes reported here.

Cancellations are rare at 0.00%, below the national 1.89% and low enough to earn the plus on the grade. Almost no flights are 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 4.0% land an hour or more behind schedule, against 8.3% 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.

At 209 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.

The return leg runs 83.9% on time across 199 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. 199 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 FAT to LAX

Put together: treat all of this as provisional. 199 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 85.4% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 199 completed flights over 12 months sit behind that.

Related

Where to go next

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