Carrier route record
AAORD→DCA
American Airlines · Chicago to Washington
- Flights
- 2,299
- Period
- July 2025 to June 2026
- Share of route
- 33%
- 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 DCA carries a cancellation problem, not just a delay problem: 4.2% of scheduled flights never operate, against 1.8% nationally. Of the ones that do fly, about two flights in three arrive on time, worth a C− overall. The punctuality figure counts only flights that actually departed, so it flatters an operation that cancels this often. That rests on 2,299 flights. The strongest carrier on the route with a full sample, United Airlines, flew 3,393 at 70.6% on time.
The national on-time rate over the same period is 77.6%, so American on ORD to DCA runs 11 points behind the country as a whole. Across a thousand flights that is about 113 extra late arrivals.
Key figures
On time
66.3%
Arrivals under 15 minutes late, of 2,194 completed flights
Avg delay
95 min
Across delayed arrivals only, not all flights
Cancelled
4.18%
National rate is 1.81%
Whole route
69.1%
Every carrier on ORD to DCA, 6,987 flights
These figures cover 2,299 flights between July 2025 and June 2026. Beyond the headline rate, 15.3% 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 DCA
American flew 2,299 of the 6,987 flights on ORD to DCA, about 33% of it. Its 66.3% on time is 3 points worse than the route as a whole, which runs 69.1%. Ranked by on-time rate it is number four of five carriers on the route, where the range runs from Envoy at 83.5% to SkyWest at 61.5%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The two carriers here are closely matched: 2 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.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Airthin sample | 171 | 83.5% | 47 min | 2.34% | B |
| United Airlines | 3,393 | 70.6% | 75 min | 1.80% | C |
| Republic Airways | 1,055 | 68.5% | 74 min | 4.55% | C− |
| American Airlines (this page) | 2,299 | 66.3% | 95 min | 4.18% | C− |
| SkyWest Airlinesthin sample | 69 | 61.5% | 93 min | 5.80% | D− |
Republic Airways cancels 4.5% 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.
Flight by flight
American flight numbers on ORD to DCA
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 25 points, against 2 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am363 flights80.1%
- 8am–11am250 flights76.7%
- 11am–2pm686 flights60.2%
- 2pm–5pm357 flights69.9%
- 5pm–8pm290 flights55.2%
- 8pm–5am353 flights61.3%
Scale runs 45% to 85%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 55.2% on time, against 80.1% 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 11am–2pm window is the busiest, with 686 flights scheduled in it.
Across the year
American on ORD to DCA through the year
October is the best month on the calendar at 74.1% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. October was the busiest month here, with 247 flights.
Across the week, Tuesday is the strongest day at 72.0% on time and Monday the weakest at 61.8%. 10 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 49% of the 70,000 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.
- 49%Late-arriving aircraft
- 29%Carrier
- 18%National Airspace System
- 5%Extreme weather
- 0%Security
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 70,000 reported delay minutes here, that single category outweighs weather by 10 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 70,267 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 80.1% on time here.
Cancellations run at 4.18%, against 1.81% nationally. That is about one flight in 25 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
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. 15.3% 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 612 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 74.7% on time across 2,301 flights, 8 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 8 points of difference.
The sample behind these figures is 2,299 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 DCA
Put together: the delay figures matter less here than the 4.18% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 2,194 completed flights over 12 months sit behind that.
Related
Where to go next
- ORD to DCA, every carrier
- American on DCA to ORD, the return leg
- Envoy Air on ORD to DCA83.5%
- United Airlines on ORD to DCA70.6%
- Republic Airways on ORD to DCA68.5%
- American Airlines network-wide record
- Chicago O'Hare International (ORD) delay statistics
- Ronald Reagan Washington National (DCA) delay statistics
- The US routes with the most cancellations
- Why the first flight of the morning is statistically safest
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.