Carrier route record
AAORD→MCO
American Airlines · Chicago to Orlando
- Flights
- 2,140
- Period
- July 2025 to June 2026
- Share of route
- 34%
- Carriers
- 5
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with American Airlines.
American on ORD to MCO draws a D. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 2,140 flights. The strongest carrier on the route with a full sample, United Airlines, flew 2,459 at 78.7% on time.
United Airlines is the most reliable of the four carriers covered here at 78.7% on time across 2,459 flights.
Key figures
On time
64.5%
Arrivals under 15 minutes late, of 2,076 completed flights
Avg delay
79 min
Across delayed arrivals only, not all flights
Cancelled
2.29%
National rate is 1.81%
Whole route
72.2%
Every carrier on ORD to MCO, 6,347 flights
These figures cover 2,140 flights between July 2025 and June 2026. Beyond the headline rate, 15.4% 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 ORD to MCO
American flew 2,140 of the 6,347 flights on ORD to MCO, about 34% of it. Its 64.5% on time is 8 points worse than the route as a whole, which runs 72.2%. Ranked by on-time rate it is last of five carriers on the route, where the range runs from United at 78.7% to American at 64.5%.
The choice of carrier is not cosmetic here. United Airlines arrives on time 78.7% of the time; Frontier Airlines manages 69.5%. 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 | 2,459 | 78.7% | 70 min | 0.61% | B+ |
| Southwest Airlines | 801 | 73.9% | 66 min | 1.12% | C |
| Spirit Airlines | 582 | 71.6% | 80 min | 3.09% | C− |
| Frontier Airlines | 365 | 69.5% | 97 min | 2.19% | C |
| American Airlines (this page) | 2,140 | 64.5% | 79 min | 2.29% | D |
Spirit Airlines cancels 3.1% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
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 26 points, against 9 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am300 flights83.2%
- 8am–11am370 flights70.6%
- 11am–2pm404 flights62.9%
- 2pm–5pm427 flights57.8%
- 5pm–8pm621 flights57.5%
- 8pm–5am18 flights—
Scale runs 50% to 90%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 57.5% on time, against 83.2% 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 5pm–8pm window is the busiest, with 621 flights scheduled in it.
Across the year
American on ORD to MCO through the year
July is the worst month at 46.6% on time, 35 points below September, the best at 81.2%. 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. March was the busiest month here, with 211 flights.
Across the week, Tuesday is the strongest day at 72.4% on time and Sunday the weakest at 59.8%. 13 points is a smaller lever than departure hour, but it is free.
Delay causes
Why American runs late on this route
One category carries most of the weight here. Late-arriving aircraft accounts for 51% of the 58,000 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.
- 51%Late-arriving aircraft
- 24%Carrier
- 21%National Airspace System
- 3%Extreme weather
51% 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 58,000 reported delay minutes here, that single category outweighs weather by 16 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 58,136 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 83.2% on time here.
Cancellations sit at 2.29% against a national 1.81%, which is ordinary. Diversions add another 0.70%.
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. 15.4% 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.
The 1,005 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The return leg is a different operation and performs like one: it runs 68.9% on time across 2,142 flights, 4 points above 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 4 points of difference.
The sample behind these figures is 2,140 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 ORD to MCO
Put together: the calendar is the biggest lever here, not the carrier or the hour. September runs 81.2% on time and July 46.6%, a swing of 35 points. If the dates move at all, move them out of July before you think about anything else. 2,076 completed flights over 12 months sit behind that.
Related
Where to go next
- ORD to MCO, every carrier
- American on MCO to ORD, the return leg
- United Airlines on ORD to MCO78.7%
- Southwest Airlines on ORD to MCO73.9%
- Spirit Airlines on ORD to MCO71.6%
- Frontier Airlines on ORD to MCO69.5%
- American Airlines network-wide record
- Chicago O'Hare International (ORD) delay statistics
- Orlando International (MCO) delay statistics
- Why the first flight of the morning is statistically safest
- 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.