Route reliability record
MCO→LAX
Orlando to Los Angeles
- Flights
- 3,517
- Period
- September 2025 to August 2026
- Distance
- 2,218 mi
- Carriers
- 5
This route lands a B+, 4 points better than the national rate of 77.3%. Roughly one flight in five arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 3,517 MCO to LAX flights, of which United Airlines flew 828 at 89.2% on time.
Best time to fly MCO to LAX: a 5am–8am departure, ideally on a Wednesday. Flights in that window arrived on time 91.1% of the time and Wednesday flights 89.0%, against 81.7% for the route overall.
United Airlines is the most reliable of the four carriers covered here at 89.2% on time across 828 flights.
Key figures
On time
81.7%
Arrivals under 15 minutes late, of 3,484 completed flights
Avg delay
72 min
Across delayed arrivals only, not all flights
Cancelled
0.71%
National rate is 1.89%
Best carrier
United
89.2% on time across 828 flights
These figures cover 3,517 flights between September 2025 and August 2026. The median arrival is 9 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
Which airline is most reliable on MCO to LAX
The choice of carrier is not cosmetic here. United Airlines arrives on time 89.2% of the time; Southwest Airlines manages 66.9%. Sample sizes sit next to every figure, because a two-point gap across 365 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlines | 828 | 89.2% | 57 min | 0.12% | A+ |
| Delta Air Lines | 1,383 | 84.5% | 72 min | 1.30% | B |
| Frontier Airlinesthin sample | 206 | 79.2% | 55 min | 0.97% | B+ |
| American Airlines | 735 | 76.1% | 100 min | 0.27% | B+ |
| Southwest Airlines | 365 | 66.9% | 49 min | 0.55% | C+ |
The spread between United and Southwest is 22 points, wide enough that it should decide the booking. On a hundred trips that is 22 more arrivals inside the on-time window.
Flight by flight
Flights on MCO to LAX
The flight numbers below flew this route at least 250 times in the period, busiest first. Each has its own record, with its schedule and delay causes.
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Best ways to make this trip
The most reliable ways to fly Orlando to Los Angeles
Every airline on this route, ranked by how often a scheduled flight actually operated and arrived on time, with its best departure time and most punctual flight number. No nearby airport pair beat these.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. MCO → LAXOrlando to Los Angeles | United Airlines | 89.1% | 89.2% | 0.12% | 8am–11am, Wed | — |
| 2. MCO → LAXOrlando to Los Angeles | Delta Air Lines | 83.4% | 84.5% | 1.30% | 5am–8am, Wed | DL 484 06:05 |
| 3. MCO → LAXOrlando to Los Angeles | American Airlines | 75.9% | 76.1% | 0.27% | 8am–11am, Tue | AA 1928 08:00 |
| 4. MCO → LAXOrlando to Los Angeles | Southwest Airlines | 66.5% | 66.9% | 0.55% | 8am–11am, Tue | — |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 23 points, against 22 points between the best and worst carrier.
- 5am–8am950 flights91.1%
- 8am–11am801 flights89.4%
- 11am–2pm49 flights77.6%
- 2pm–5pm497 flights78.1%
- 5pm–8pm934 flights71.6%
- 8pm–5am286 flights68.6%
Scale runs 60% to 95%.
Book the early departure. Flights leaving between 5am–8am arrive on time 91.1% of the time, against 68.6% for the overnight window. That is 23 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 950 flights scheduled in it.
Explore
Filter MCO to LAX by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On MCO to LAX, the best departure window is 5am–8am at 91.1% on time and the worst is 8pm–5am at 68.6%, a wide gap of 22.5 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am91.1%
- 8–11am89.4%
- 11am–2pm77.6%
- 2–5pm78.1%
- 5–8pm71.6%
- 8pm–5am68.6%
best all US flightsScale 60% to 95%.
Across the year
When delays peak on this route
Twelve months, one bar each, drawn from the same 3,517 flights. The strip shows how much of this route's record is set by the calendar rather than by the operation.
August is the worst month at 74.9% on time, 12 points below December, the best at 86.5%. 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. July was the busiest month here, with 339 flights.
Across the week, Wednesday is the strongest day at 89.0% on time and Sunday the weakest at 75.8%, a spread of 13 points.
Delay causes
Why this route gets delayed
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 46,000 reported delay minutes.
- 42%Carrier
- 34%Late-arriving aircraft
- 16%National Airspace System
- 8%Extreme weather
- 0%Security
34% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 46,000 reported delay minutes here, that single category outweighs weather by 4 to one. The split is drawn from 45,969 reported delay minutes.
The largest share of delay minutes, 42%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 19,000 of the 46,000 delay minutes reported here.
Cancellations are rare at 0.71%, below the national 1.89% 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 actually costs
6.5% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
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 is a different operation and performs like one: it runs 76.6% on time across 3,515 flights, 5 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 5 points of difference.
The sample behind these figures is 3,517 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in LAX after this flight
What to do with this
Booking this route
Put together: avoid the 8pm–5am departure. It runs 68.6% on time against 91.1% for the 5am–8am slot, and that 23 points is the largest single thing you control here. United Airlines is the strongest operator if the fares are close. 3,484 completed flights over 12 months sit behind that.
Common questions
MCO to LAX questions
How often is MCO to LAX delayed?
Roughly one flight in five arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 18.3% of the 3,517 flights in this analysis, against 22.7% nationally. Delayed flights are late by a little over an hour on average.
Which airline is most reliable on MCO to LAX?
United Airlines leads at 89.2% on time across 828 flights. Southwest Airlines is at the other end on 66.9%, a gap of 22 points. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.
What time of day has the fewest delays on MCO to LAX?
The 5am–8am departure window is the strongest at 91.1% on time. The 8pm–5am window is the weakest at 68.6%, 23 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are August delays on MCO to LAX?
August is the weakest month at 74.9% on time, compared with 86.5% in December. Across the year that is 12 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- LAX to MCO — the return legseparate record
- Orlando International (MCO) delay statistics
- Los Angeles International (LAX) delay statistics
- United Airlines on MCO to LAX89.2%
- Delta Air Lines on MCO to LAX84.5%
- Frontier Airlines on MCO to LAX79.2%
- American Airlines on MCO to LAX76.1%
- Southwest Airlines on MCO to LAX66.9%
- MCO to ATL, a related route74.9%
- SFO to LAX, a related route70.9%
- MCO to EWR, a related route75.0%
- United Airlines on-time record89.2%
- Delta Air Lines on-time record84.5%
- Frontier Airlines on-time record79.2%
- Same route, different airline: where the carrier you pick matters most
- Why the first flight of the morning is statistically safest
Direction matters. MCO to LAX and LAX to MCO are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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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.