Carrier route record
AAJFK→LAX
American Airlines · New York to Los Angeles
- Flights
- 3,237
- Period
- July 2025 to June 2026
- Share of route
- 31%
- Carriers
- 4
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with American Airlines.
American on JFK to LAX lands a B, 3 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That is a workable record, not a spotless one. That rests on 3,237 flights. The strongest carrier on the route with a full sample, Delta Air Lines, flew 3,358 at 77.5% on time.
The US average over the same twelve months is 77.6%, so there is little to separate American on JFK to LAX from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
80.3%
Arrivals under 15 minutes late, of 3,167 completed flights
Avg delay
95 min
Across delayed arrivals only, not all flights
Cancelled
2.04%
National rate is 1.81%
Whole route
77.6%
Every carrier on JFK to LAX, 10,284 flights
These figures cover 3,237 flights between July 2025 and June 2026. Beyond the headline rate, 8.4% 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 JFK to LAX
American flew 3,237 of the 10,284 flights on JFK to LAX, about 31% of it. Its 80.3% on time is 3 points better than the route as a whole, which runs 77.6%. Ranked by on-time rate it is first of four carriers on the route, where the range runs from American at 80.3% to Frontier at 70.4%. One 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 |
|---|---|---|---|---|---|
| American Airlines (this page) | 3,237 | 80.3% | 95 min | 2.04% | B |
| Delta Air Lines | 3,358 | 77.5% | 71 min | 1.79% | B |
| JetBlue Airways | 3,486 | 75.6% | 69 min | 2.01% | B |
| Frontier Airlinesthin sample | 203 | 70.4% | 68 min | 1.48% | C |
No carrier stands out. Delta tops the table at 77.5%, 2 points clear of the bottom, which is inside the range this kind of sample moves year to year.
Flight by flight
American flight numbers on JFK to LAX
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 18 points, against 2 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am702 flights89.0%
- 8am–11am405 flights83.2%
- 11am–2pm296 flights85.9%
- 2pm–5pm747 flights80.0%
- 5pm–8pm495 flights73.0%
- 8pm–5am592 flights71.4%
Scale runs 65% to 95%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 89.0% of the time, against 71.4% for the overnight window. That is 18 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 2pm–5pm window is the busiest, with 747 flights scheduled in it.
Across the year
American on JFK to LAX through the year
January is the weak month at 69.0% on time, against 88.2% in August. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. July was the busiest month here, with 279 flights.
Across the week, Tuesday is the strongest day at 84.4% on time and Saturday the weakest at 74.8%. 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 45% of the 59,000 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.
- 45%Late-arriving aircraft
- 33%Carrier
- 18%National Airspace System
- 3%Extreme weather
- 0%Security
45% 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 59,000 reported delay minutes here, that single category outweighs weather by 13 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 59,297 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 89.0% on time here.
Cancellations sit at 2.04% against a national 1.81%, which is ordinary. Diversions add another 0.12%.
Connections and stage length
What a delay here costs
8.4% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last an hour and a half, which a normal layover absorbs.
At 2,475 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The return leg is a different operation and performs like one: it runs 76.7% on time across 3,242 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 3,237 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 JFK to LAX
Put together: the calendar is the biggest lever here, not the carrier or the hour. August runs 88.2% on time and January 69.0%, a swing of 19 points. If the dates move at all, move them out of January before you think about anything else. 3,167 completed flights over 12 months sit behind that.
Related
Where to go next
- JFK to LAX, every carrier
- American on LAX to JFK, the return leg
- Delta Air Lines on JFK to LAX77.5%
- JetBlue Airways on JFK to LAX75.6%
- Frontier Airlines on JFK to LAX70.4%
- American Airlines network-wide record
- John F. Kennedy International (JFK) delay statistics
- Los Angeles International (LAX) 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.