Carrier route record
UAMCO→LAX
United Airlines · Orlando to Los Angeles
- Flights
- 834
- Period
- July 2025 to June 2026
- Share of route
- 24%
- Carriers
- 5
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with United Airlines.
United on MCO to LAX 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 10 points better than the national rate of 77.6%. When something does go wrong the average delay runs about an hour. That rests on 834 flights. The strongest carrier on the route with a full sample, Delta Air Lines, flew 1,383 at 83.8% on time.
Set against the rest of the country, United's MCO to LAX record is 10 points better than the US average of 77.6%. That gap is worth roughly 95 fewer late arrivals for every thousand flights.
Key figures
On time
87.1%
Arrivals under 15 minutes late, of 832 completed flights
Avg delay
65 min
Across delayed arrivals only, not all flights
Cancelled
0.12%
National rate is 1.81%
Whole route
80.4%
Every carrier on MCO to LAX, 3,489 flights
These figures cover 834 flights between July 2025 and June 2026. The median arrival is 11 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 MCO to LAX
United flew 834 of the 3,489 flights on MCO to LAX, about 24% of it. Its 87.1% on time is 7 points better than the route as a whole, which runs 80.4%. Ranked by on-time rate it is first of five carriers on the route, where the range runs from United at 87.1% to Southwest at 64.1%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 83.8% of the time; American Airlines manages 73.4%. Sample sizes sit next to every figure, because a two-point gap across 735 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlines (this page) | 834 | 87.1% | 65 min | 0.12% | A+ |
| Delta Air Lines | 1,383 | 83.8% | 78 min | 1.16% | B |
| Frontier Airlinesthin sample | 207 | 81.4% | 53 min | 0.48% | B+ |
| American Airlines | 735 | 73.4% | 110 min | 0.27% | C+ |
| Southwest Airlinesthin sample | 330 | 64.1% | 49 min | 0.30% | D+ |
Delta leads American by 10 points. Real, but small enough that a better departure time on the weaker carrier can outweigh it.
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 13 points, against 10 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am295 flights90.8%
- 8am–11am155 flights92.9%
- 11am–2pm—
- 2pm–5pm98 flights87.8%
- 5pm–8pm286 flights80.0%
- 8pm–5am—
Scale runs 70% to 100%. Rows with fewer than 30 flights show a dash.
Book the morning departure. Flights leaving between 8am–11am arrive on time 92.9% of the time, against 80.0% for the evening window. That is 13 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 295 flights scheduled in it.
Across the year
United on MCO to LAX through the year
August is the worst month at 71.2% on time, 21 points below April, the best at 92.6%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. January was the busiest month here, with 89 flights.
Across the week, Wednesday is the strongest day at 93.2% on time and Thursday the weakest at 83.1%. 10 points is a smaller lever than departure hour, but it is free.
Delay causes
Why United runs late on this route
One category carries most of the weight here. Carrier accounts for 43% of the 6,927 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.
- 43%Carrier
- 29%Late-arriving aircraft
- 18%National Airspace System
- 10%Extreme weather
The largest share of delay minutes, 43%, 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 2,981 of the 6,927 delay minutes reported here. The split is drawn from 6,927 reported delay minutes.
The practical consequence: the 8am–11am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 92.9% on time here.
Cancellations are rare at 0.12%, 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 4.4% 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.
At 2,218 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The return leg runs 89.1% on time across 833 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. 834 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 MCO to LAX
Put together: treat all of this as provisional. 834 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 87.1% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 832 completed flights over 12 months sit behind that.
Related
Where to go next
- MCO to LAX, every carrier
- United on LAX to MCO, the return leg
- Delta Air Lines on MCO to LAX83.8%
- Frontier Airlines on MCO to LAX81.4%
- American Airlines on MCO to LAX73.4%
- Southwest Airlines on MCO to LAX64.1%
- United Airlines network-wide record
- Orlando International (MCO) delay statistics
- Los Angeles International (LAX) delay statistics
- Same route, different airline: where the carrier you pick matters most
- The best time of day to fly, according to 7.04 million flight records
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.