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DelayAtlas

Carrier route record

AAMCOMIA

American Airlines · Orlando to Miami

Flights
2,991
Period
July 2025 to June 2026
Share of route
79%
Carriers
3
CGRADE

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

American on MCO to MIA sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.6%. The late ones land a little over an hour behind schedule. That rests on 2,991 flights, with a median arrival 6 minutes early.

The US average over the same twelve months is 77.6%, so there is little to separate American on MCO to MIA from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

Key figures

On time

74.8%

Arrivals under 15 minutes late, of 2,953 completed flights

Avg delay

81 min

Across delayed arrivals only, not all flights

Cancelled

1.14%

National rate is 1.81%

Whole route

74.0%

Every carrier on MCO to MIA, 3,804 flights

These figures cover 2,991 flights between July 2025 and June 2026. Beyond the headline rate, 10.2% 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 MIA

American flew 2,991 of the 3,804 flights on MCO to MIA, most of the route. Its 74.8% on time is about level with the route as a whole at 74.0%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from Republic at 79.0% to Southwest at 68.3%. One 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 MCO to MIA
AirlineFlightsOn timeAvg delayCancelledGrade
Republic Airwaysthin sample23479.0%55 min0.00%B+
American Airlines (this page)2,99174.8%81 min1.14%C
Southwest Airlines57968.3%55 min0.86%C+

Flight by flight

American flight numbers on MCO to MIA

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 41 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–8am685 flights91.4%
  • 8am–11am846 flights86.5%
  • 11am–2pm376 flights79.0%
  • 2pm–5pm362 flights53.1%
  • 5pm–8pm455 flights50.3%
  • 8pm–5am267 flights59.1%

Scale runs 40% to 95%. Rows with fewer than 30 flights show a dash.

The 5pm–8pm window is where this operation falls apart: 50.3% on time, against 91.4% for the 5am–8am 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 8am–11am window is the busiest, with 846 flights scheduled in it.

Across the year

American on MCO to MIA through the year

On-time rate by calendar month71J75F76M77A73M71J69J65A82S80O78N81D
Darker means more delays. Figures are on-time percentages.September best, August worst

August is the worst month at 65.1% on time, 17 points below September, the best at 82.1%. 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. December was the busiest month here, with 273 flights.

Across the week, Tuesday is the strongest day at 80.3% on time and Sunday the weakest at 62.2%. 18 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week75.2Mon80.3Tue75.9Wed76.1Thu80.2Fri73.8Sat62.2Sun
Monday: 75.2 percent on time. Tuesday: 80.3 percent on time. Wednesday: 75.9 percent on time. Thursday: 76.1 percent on time. Friday: 80.2 percent on time. Saturday: 73.8 percent on time. Sunday: 62.2 percent on time

Delay causes

Why American runs late on this route

One category carries most of the weight here. Late-arriving aircraft accounts for 49% of the 60,000 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.

  • Late-arriving aircraft
    49%
  • Carrier
    27%
  • National Airspace System
    12%
  • Extreme weather
    12%
  • Security
    0%

Extreme weather accounts for 12% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 1.9 times the usual weather exposure. The split is drawn from 60,221 reported delay minutes.

49% 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 60,000 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.

Cancellations sit at 1.14% against a national 1.81%, which is ordinary. Diversions add another 0.13%.

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. 10.2% 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 192 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 is a different operation and performs like one: it runs 69.2% on time across 2,993 flights, 6 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 6 points of difference.

The sample behind these figures is 2,991 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.

What to do with this

Booking American on MCO to MIA

Put together: the calendar is the biggest lever here, not the carrier or the hour. September runs 82.1% on time and August 65.1%, a swing of 17 points. If the dates move at all, move them out of August before you think about anything else. 2,953 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.