Carrier route record
AALAS→JFK
American Airlines · Las Vegas to New York
- Flights
- 459
- Period
- July 2025 to June 2026
- Share of route
- 12%
- Carriers
- 4
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with American Airlines.
American on LAS to JFK lands a B, about a point 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 close to two hours on average. That is a workable record, not a spotless one. That rests on 459 flights. The strongest carrier on the route with a full sample, Delta Air Lines, flew 1,676 at 84.2% on time.
The US average over the same twelve months is 77.6%, so there is little to separate American on LAS to JFK from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
78.6%
Arrivals under 15 minutes late, of 449 completed flights
Avg delay
107 min
Across delayed arrivals only, not all flights
Cancelled
1.74%
National rate is 1.81%
Whole route
81.3%
Every carrier on LAS to JFK, 3,710 flights
These figures cover 459 flights between July 2025 and June 2026. Beyond the headline rate, 9.1% 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 LAS to JFK
American flew 459 of the 3,710 flights on LAS to JFK, about 12% of it. Its 78.6% on time is 3 points worse than the route as a whole, which runs 81.3%. Ranked by on-time rate it is last of four carriers on the route, where the range runs from Delta at 84.2% to American at 78.6%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The two carriers here are closely matched: 6 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 |
|---|---|---|---|---|---|
| Delta Air Lines | 1,676 | 84.2% | 78 min | 2.45% | B |
| Frontier Airlinesthin sample | 202 | 81.5% | 57 min | 0.99% | B+ |
| JetBlue Airways | 1,373 | 78.6% | 92 min | 2.77% | B |
| American Airlines (this page) | 459 | 78.6% | 107 min | 1.74% | B |
No carrier stands out. Delta tops the table at 84.2%, 6 points clear of the bottom, which is inside the range this kind of sample moves year to year.
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 6 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1 flights—
- 8am–11am43 flights93.0%
- 11am–2pm324 flights72.7%
- 2pm–5pm48 flights87.5%
- 5pm–8pm—
- 8pm–5am43 flights97.6%
Scale runs 65% to 100%. 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 72.7% on time against 97.6% for 8pm–5am. 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 11am–2pm window is the busiest, with 324 flights scheduled in it.
Across the year
American on LAS to JFK through the year
April is the best month on the calendar at 88.7% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. May was the busiest month here, with 62 flights.
Across the week, Monday is the strongest day at 91.8% on time and Friday the weakest at 67.2%. 25 points is a smaller lever than departure hour, but it is free.
Delay causes
Why American runs late on this route
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 10,000 reported delay minutes.
- 41%Late-arriving aircraft
- 37%National Airspace System
- 21%Carrier
- 0%Extreme weather
41% 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 10,000 reported delay minutes here, that single category outweighs weather by 41 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 10,258 reported delay minutes.
37% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 3,825 minutes out of 10,000, against a national NAS share of 21%.
Cancellations sit at 1.74% against a national 1.81%, which is ordinary. Diversions add another 0.44%.
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. 9.1% 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.
At 2,248 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 84.0% on time across 460 flights, 5 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 5 points of difference.
One caution: this is a thin sample. 459 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 LAS to JFK
Put together: treat all of this as provisional. 459 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 78.6% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 449 completed flights over 12 months sit behind that.
Related
Where to go next
- LAS to JFK, every carrier
- American on JFK to LAS, the return leg
- Delta Air Lines on LAS to JFK84.2%
- Frontier Airlines on LAS to JFK81.5%
- JetBlue Airways on LAS to JFK78.6%
- American Airlines network-wide record
- Harry Reid International (LAS) delay statistics
- John F. Kennedy International (JFK) delay statistics
- Why the first flight of the morning is statistically safest
- How often a connection fails at the major US hubs
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.