Carrier route record

B6EWR→LAX

JetBlue Airways · Newark to Los Angeles

Flights: 517
Period: July 2025 to June 2026
Share of route: 10%
Carriers: 4

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with JetBlue Airways.

JetBlue on EWR to LAX sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, 7 points worse than the national rate of 77.6%. The late ones land an hour and a half behind schedule. That rests on 517 flights. The strongest carrier on the route with a full sample, Alaska Airlines, flew 553 at 74.0% on time.

The national on-time rate over the same period is 77.6%, so JetBlue on EWR to LAX runs 7 points behind the country as a whole. Across a thousand flights that is about 71 extra late arrivals.

On time

70.5%

Arrivals under 15 minutes late, of 502 completed flights

Avg delay

83 min

Across delayed arrivals only, not all flights

Cancelled

2.71%

National rate is 1.81%

Whole route

71.9%

Every carrier on EWR to LAX, 4,927 flights

These figures cover 517 flights between July 2025 and June 2026. Beyond the headline rate, 14.3% 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

JetBlue against every carrier on EWR to LAX

JetBlue flew 517 of the 4,927 flights on EWR to LAX, about 10% of it. Its 70.5% on time is about level with the route as a whole at 71.9%. Ranked by on-time rate it is number three of four carriers on the route, where the range runs from Alaska at 74.0% to Spirit at 66.7%. 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.

On-time performance by carrier on EWR to LAX
Airline	Flights	On time	Avg delay	Cancelled	Grade
Alaska Airlines	553	74.0%	70 min	1.81%	C
United Airlines	3,540	72.2%	83 min	1.95%	C
JetBlue Airways (this page)	517	70.5%	83 min	2.71%	C
Spirit Airlinesthin sample	317	66.7%	86 min	6.62%	C−

No carrier stands out. Alaska tops the table at 74.0%, 2 points clear of the bottom, which is inside the range this kind of sample moves year to year.

Departure window

When JetBlue runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 16 points, against 2 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am120 flights75.2%
8am–11am78 flights75.6%
11am–2pm—
2pm–5pm20 flights—
5pm–8pm141 flights75.9%
8pm–5am158 flights60.0%

Scale runs 50% to 80%. Rows with fewer than 30 flights show a dash.

The 8pm–5am window is where this operation falls apart: 60.0% on time, against 75.9% for the 5pm–8pm 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 8pm–5am window is the busiest, with 158 flights scheduled in it.

Across the year

JetBlue on EWR to LAX through the year

Jul–Sep 2025250 flights75.9%
Oct–Dec 2025199 flights66.5%
Jan–Mar 20268 flights—
Apr–Jun 202660 flights62.7%

Scale runs 55% to 80%. 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 70.5% on time across 517 flights.

JetBlue on EWR to LAX did not run the same all year. Its best quarter was Jul–Sep 2025 at 75.9% on time and its weakest Apr–Jun 2026 at 62.7%, a swing of 13 points on roughly 172 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Across the week, Tuesday is the strongest day at 75.4% on time and Wednesday the weakest at 65.1%. 10 points is a smaller lever than departure hour, but it is free.

Delay causes

Why JetBlue runs late on this route

One category carries most of the weight here. Late-arriving aircraft accounts for 53% of the 12,000 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
28%
Carrier
15%
Extreme weather
3%

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 12,000 reported delay minutes here, that single category outweighs weather by 17 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 12,341 reported delay minutes.

Cancellations run at 2.71%, against 1.81% nationally. That is about one flight in 40 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. 14.3% 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.

At 2,454 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 77.2% on time across 517 flights, 7 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 7 points of difference.

One caution: this is a thin sample. 517 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 JetBlue on EWR to LAX

Put together: treat all of this as provisional. 517 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 70.5% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 502 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