Carrier route record

AAORD→JFK

American Airlines · Chicago to New York

Flights: 551
Period: July 2025 to June 2026
Share of route: 27%
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 JFK draws a D−. Roughly one flight in three arrives at least 15 minutes late, and the typical late arrival is an hour and a half behind schedule. Build slack into anything you connect to. That rests on 551 flights. The strongest carrier on the route with a full sample, JetBlue Airways, flew 571 at 81.8% on time.

The national on-time rate over the same period is 77.6%, so American on ORD to JFK runs 16 points behind the country as a whole. Across a thousand flights that is about 159 extra late arrivals.

On time

61.7%

Arrivals under 15 minutes late, of 522 completed flights

Avg delay

99 min

Across delayed arrivals only, not all flights

Cancelled

5.08%

National rate is 1.81%

Whole route

73.4%

Every carrier on ORD to JFK, 2,012 flights

These figures cover 551 flights between July 2025 and June 2026. Beyond the headline rate, 18.0% 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 JFK

American flew 551 of the 2,012 flights on ORD to JFK, about 27% of it. Its 61.7% on time is 12 points worse than the route as a whole, which runs 73.4%. Ranked by on-time rate it is number four of five carriers on the route, where the range runs from Delta at 92.3% to Frontier at 59.8%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

The two carriers here are closely matched: 5 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 ORD to JFK
Airline	Flights	On time	Avg delay	Cancelled	Grade
Delta Air Linesthin sample	14	92.3%	221 min	7.14%	A−
JetBlue Airways	571	81.8%	103 min	4.38%	B−
Republic Airways	759	77.1%	77 min	2.11%	B
American Airlines (this page)	551	61.7%	99 min	5.08%	D−
Frontier Airlinesthin sample	117	59.8%	100 min	4.27%	D−

JetBlue Airways cancels 4.4% 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 12 points, against 5 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am—
8am–11am125 flights70.2%
11am–2pm132 flights58.6%
2pm–5pm289 flights59.9%
5pm–8pm5 flights—
8pm–5am—

Scale runs 50% to 75%. Rows with fewer than 30 flights show a dash.

The weak window here is the middle of the day, not the evening: 11am–2pm runs 58.6% on time against 70.2% for 8am–11am. That shape usually means a departure bank rather than an accumulating delay, so the recovery later in the afternoon is real rather than noise. The 2pm–5pm window is the busiest, with 289 flights scheduled in it.

Across the year

American on ORD to JFK through the year

Jul–Sep 2025100 flights63.8%
Oct–Dec 2025230 flights60.4%
Jan–Mar 2026102 flights63.8%
Apr–Jun 2026119 flights60.7%

Scale runs 50% to 70%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 61.7% on time across 551 flights.

Quarter by quarter American on ORD to JFK held fairly steady: 63.8% in Jul–Sep 2025, 60.4% in Oct–Dec 2025, 63.8% in Jan–Mar 2026 and 60.7% in Apr–Jun 2026. A spread of 3 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

Across the week, Saturday is the strongest day at 70.2% on time and Sunday the weakest at 46.1%. 24 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 53% of the 20,000 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
53%
National Airspace System
26%
Carrier
14%
Extreme weather
7%
Security
0%

53% 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 20,000 reported delay minutes here, that single category outweighs weather by 8 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 19,712 reported delay minutes.

The practical consequence: the 8am–11am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 70.2% on time here.

Cancellations run at 5.08%, against 1.81% nationally. That is about one flight in twenty 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. 18.0% 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 740 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 73.0% on time across 552 flights, 11 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 11 points of difference.

One caution: this is a thin sample. 551 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 ORD to JFK

Put together: the delay figures matter less here than the 5.08% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 8am–11am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 522 completed flights over 12 months sit behind that.

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.

Key figures