Carrier route record
AAMCO→ORD
American Airlines · Orlando to Chicago
- Flights
- 2,142
- 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 MCO to ORD sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, 9 points worse than the national rate of 77.6%. The late ones land an hour and a half behind schedule. That rests on 2,142 flights. The strongest carrier on the route with a full sample, United Airlines, flew 2,459 at 75.6% on time.
United Airlines is the most reliable of the four carriers covered here at 75.6% on time across 2,459 flights.
Key figures
On time
68.9%
Arrivals under 15 minutes late, of 2,074 completed flights
Avg delay
86 min
Across delayed arrivals only, not all flights
Cancelled
2.19%
National rate is 1.81%
Whole route
70.6%
Every carrier on MCO to ORD, 6,350 flights
These figures cover 2,142 flights between July 2025 and June 2026. Beyond the headline rate, 12.9% 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 ORD
American flew 2,142 of the 6,350 flights on MCO to ORD, about 34% of it. Its 68.9% on time is 2 points worse than the route as a whole, which runs 70.6%. Ranked by on-time rate it is number three of five carriers on the route, where the range runs from United at 75.6% to Spirit at 60.0%.
The choice of carrier is not cosmetic here. United Airlines arrives on time 75.6% of the time; Spirit Airlines manages 60.0%. Sample sizes sit next to every figure, because a two-point gap across 583 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlines | 2,459 | 75.6% | 81 min | 0.85% | B+ |
| Frontier Airlines | 366 | 72.0% | 97 min | 2.46% | C |
| American Airlines (this page) | 2,142 | 68.9% | 86 min | 2.19% | C |
| Southwest Airlines | 800 | 66.8% | 60 min | 1.38% | C |
| Spirit Airlines | 583 | 60.0% | 74 min | 4.12% | D− |
Spirit Airlines cancels 4.1% 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 42 points, against 16 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am428 flights88.0%
- 8am–11am450 flights85.3%
- 11am–2pm212 flights83.1%
- 2pm–5pm446 flights55.9%
- 5pm–8pm549 flights46.1%
- 8pm–5am57 flights61.5%
Scale runs 40% to 95%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 46.1% on time, against 88.0% 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 549 flights scheduled in it.
Across the year
American on MCO to ORD through the year
August is the worst month at 55.2% on time, 21 points below November, the best at 76.4%. 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 210 flights.
Across the week, Tuesday is the strongest day at 77.1% on time and Sunday the weakest at 61.0%. 16 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 44% of the 55,000 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.
- 44%Late-arriving aircraft
- 24%Carrier
- 22%National Airspace System
- 9%Extreme weather
- 0%Security
44% 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 55,000 reported delay minutes here, that single category outweighs weather by 5 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 55,104 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 88.0% on time here.
Cancellations sit at 2.19% against a national 1.81%, which is ordinary. Diversions add another 0.98%.
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. 12.9% 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 64.5% on time across 2,140 flights, 4 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 4 points of difference.
The sample behind these figures is 2,142 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 ORD
Put together: the calendar is the biggest lever here, not the carrier or the hour. November runs 76.4% on time and August 55.2%, a swing of 21 points. If the dates move at all, move them out of August before you think about anything else. 2,074 completed flights over 12 months sit behind that.
Related
Where to go next
- MCO to ORD, every carrier
- American on ORD to MCO, the return leg
- United Airlines on MCO to ORD75.6%
- Frontier Airlines on MCO to ORD72.0%
- Southwest Airlines on MCO to ORD66.8%
- Spirit Airlines on MCO to ORD60.0%
- American Airlines network-wide record
- Orlando International (MCO) delay statistics
- Chicago O'Hare International (ORD) delay statistics
- Why the first flight of the morning is statistically safest
- Same route, different airline: where the carrier you pick matters most
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.