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DelayAtlas

Carrier route record

AAMCOLAX

American Airlines · Orlando to Los Angeles

Flights
735
Period
July 2025 to June 2026
Share of route
21%
Carriers
5
C+GRADE

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

American on MCO to LAX sits in the middle of the pack with a C+. Close to three flights in four arrive on time by the DOT's definition, 4 points worse than the national rate of 77.6%. The late ones land close to two hours behind schedule. That rests on 735 flights. The strongest carrier on the route with a full sample, United Airlines, flew 834 at 87.1% on time.

The national on-time rate over the same period is 77.6%, so American on MCO to LAX runs 4 points behind the country as a whole. Across a thousand flights that is about 42 extra late arrivals.

Key figures

On time

73.4%

Arrivals under 15 minutes late, of 732 completed flights

Avg delay

110 min

Across delayed arrivals only, not all flights

Cancelled

0.27%

National rate is 1.81%

Whole route

80.4%

Every carrier on MCO to LAX, 3,489 flights

These figures cover 735 flights between July 2025 and June 2026. Beyond the headline rate, 12.4% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

American against every carrier on MCO to LAX

American flew 735 of the 3,489 flights on MCO to LAX, about 21% of it. Its 73.4% on time is 7 points worse than the route as a whole, which runs 80.4%. Ranked by on-time rate it is number four 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 two carriers here are closely matched: 3 points separate the best from the worst. At that spread, schedule and price are better tie-breakers than reliability. Sample sizes are shown so you can see which rows are worth weighing.

On-time performance by carrier on MCO to LAX
AirlineFlightsOn timeAvg delayCancelledGrade
United Airlines83487.1%65 min0.12%A+
Delta Air Lines1,38383.8%78 min1.16%B
Frontier Airlinesthin sample20781.4%53 min0.48%B+
American Airlines (this page)73573.4%110 min0.27%C+
Southwest Airlinesthin sample33064.1%49 min0.30%D+

No carrier stands out. United tops the table at 87.1%, 3 points clear of the bottom, which is inside the range this kind of sample moves year to year.

Flight by flight

American flight numbers on MCO to LAX

Departure window

When American runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 33 points, against 3 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am239 flights85.7%
  • 8am–11am167 flights87.4%
  • 11am–2pm
  • 2pm–5pm
  • 5pm–8pm268 flights57.9%
  • 8pm–5am61 flights54.1%

Scale runs 45% to 95%. Rows with fewer than 30 flights show a dash.

The 8pm–5am window is where this operation falls apart: 54.1% on time, against 87.4% for the 8am–11am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 268 flights scheduled in it.

Across the year

American on MCO to LAX through the year

On-time rate by calendar month80J79F74M85A71M73J52J58A83S82O71N76D
Darker means more delays. Figures are on-time percentages.April best, July worst

July is the worst month at 51.6% on time, 33 points below April, the best at 84.7%. 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. June was the busiest month here, with 89 flights.

Across the week, Tuesday is the strongest day at 82.8% on time and Monday the weakest at 62.6%. 20 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week62.6Mon82.8Tue74.5Wed77.8Thu71.6Fri75.2Sat70.0Sun
Monday: 62.6 percent on time. Tuesday: 82.8 percent on time. Wednesday: 74.5 percent on time. Thursday: 77.8 percent on time. Friday: 71.6 percent on time. Saturday: 75.2 percent on time. Sunday: 70.0 percent on time

Delay causes

Why American runs late on this route

One category carries most of the weight here. Carrier accounts for 45% of the 22,000 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
    45%
  • Late-arriving aircraft
    36%
  • Extreme weather
    10%
  • National Airspace System
    8%
  • Security
    0%

36% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 22,000 reported delay minutes here, that single category outweighs weather by 4 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 21,505 reported delay minutes.

The largest share of delay minutes, 45%, 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 9,778 of the 22,000 delay minutes reported here.

Cancellations are rare at 0.27%, 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

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 12.4% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

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 73.3% on time across 735 flights, within half 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. 735 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 American on MCO to LAX

Put together: treat all of this as provisional. 735 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 73.4% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 732 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.