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DelayAtlas

Carrier route record

B6ATL→JFK

JetBlue Airways · Atlanta to New York

Flights
1,114
Period
September 2025 to August 2026
Share of route
26%
Carriers
3
C−GRADE

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

JetBlue on ATL to JFK carries a cancellation problem, not just a delay problem: 5.8% of scheduled flights never operate, against 1.9% nationally. Of the ones that do fly, about seven flights in ten 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 1,114 flights. The strongest carrier on the route with a full sample, Delta Air Lines, flew 2,445 at 78.4% on time.

The national on-time rate over the same period is 77.3%, so JetBlue on ATL to JFK runs 9 points behind the country as a whole. Across a thousand flights that is about 87 extra late arrivals.

Key figures

On time

68.6%

Arrivals under 15 minutes late, of 1,046 completed flights

Avg delay

93 min

Across delayed arrivals only, not all flights

Cancelled

5.83%

National rate is 1.89%

Whole route

74.6%

Every carrier on ATL to JFK, 4,218 flights

These figures cover 1,114 flights between September 2025 and August 2026. Beyond the headline rate, 15.4% of arrivals land a full hour or more behind schedule, against 8.3% nationally.

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Carrier by carrier

JetBlue against every carrier on ATL to JFK

JetBlue flew 1,114 of the 4,218 flights on ATL to JFK, about 26% of it. Its 68.6% on time is 6 points worse than the route as a whole, which runs 74.6%. Ranked by on-time rate it is last of three carriers on the route, where the range runs from Delta at 78.4% to JetBlue at 68.6%.

The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 78.4% of the time; Frontier Airlines manages 70.1%. Sample sizes sit next to every figure, because a two-point gap across 659 flights means less than a ten-point one.

On-time performance by carrier on ATL to JFK
AirlineFlightsOn timeAvg delayCancelledGrade
Delta Air Lines2,44578.4%73 min1.55%B
Frontier Airlines65970.1%81 min2.28%C
JetBlue Airways (this page)1,11468.6%93 min5.83%C−

Delta leads Frontier by 8 points. Real, but small enough that a better departure time on the weaker carrier can outweigh it.

Flight by flight

JetBlue flight numbers on ATL to JFK

Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.

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 32 points, against 8 points between the best and worst carrier.

  • 5am–8am254 flights83.4%
  • 8am–11am163 flights73.7%
  • 11am–2pm237 flights71.9%
  • 2pm–5pm146 flights59.7%
  • 5pm–8pm260 flights56.1%
  • 8pm–5am54 flights51.9%

Scale runs 45% to 90%.

The 8pm–5am window is where this operation falls apart: 51.9% on time, against 83.4% 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 5pm–8pm window is the busiest, with 260 flights scheduled in it.

Across the year

JetBlue on ATL to JFK through the year

On-time rate by calendar month63J64F74M77A67M74J55J60A82S79O75N55D
Darker means more delays. Figures are on-time percentages.September best, December worst

December is the weak month at 54.7% on time, against 82.0% in September. 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. November was the busiest month here, with 119 flights.

Across the week, Wednesday is the strongest day at 80.6% on time and Sunday the weakest at 61.8%, a spread of 19 points.

On-time rate by day of the week65.0Mon72.1Tue80.6Wed71.6Thu65.9Fri63.6Sat61.8Sun
Monday: 65.0 percent on time. Tuesday: 72.1 percent on time. Wednesday: 80.6 percent on time. Thursday: 71.6 percent on time. Friday: 65.9 percent on time. Saturday: 63.6 percent on time. Sunday: 61.8 percent on time

Arrival by arrival

How late JetBlue on ATL to JFK runs when it is late

The 328 late arrivals split 87 under half an hour, 80 between 30 and 60 minutes, and 161 an hour or more.

  • 15+ min early245 flights23.4%
  • Within 15 min473 flights45.2%
  • 15–29 min late87 flights8.3%
  • 30–59 min late80 flights7.6%
  • 1–2 hours late91 flights8.7%
  • 2+ hours late70 flights6.7%

Scale runs 0% to 100%.

Share of 1,046 completed flights by arrival against schedule.

46 of 332 late departures made up the time and arrived on time, 14% of them. 42 flights left on time and still arrived late.

The worst days

Worst days for JetBlue on ATL to JFK

The latest arrival of the period was on 3 January 2026, 21 hours 1 minute behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.

The latest arrivals of JetBlue on ATL to JFK in the period
DateArrived late byLargest filed cause
3 January 202621 hours 1 minuteCarrier
29 December 202519 hours 59 minutesCarrier
17 September 202513 hours 49 minutesCarrier
1 September 20259 hours 37 minutesLate-arriving aircraft
30 December 20259 hours 15 minutesNational Airspace System

Delay causes

Why JetBlue runs late on this route

Late-arriving aircraft accounts for 47% of the 31,000 delay minutes carriers reported here, and the remaining four split what is left.

  • Late-arriving aircraft
    47%
  • Carrier
    30%
  • National Airspace System
    22%
  • Extreme weather
    0%

47% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 31,000 reported delay minutes here, that single category outweighs weather by 47 to one. The split is drawn from 30,511 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 83.4% on time here.

Cancellations run at 5.83%, against 1.89% nationally. That is roughly one flight in fifteen 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

15.4% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.

The 760 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.

The return leg runs 66.5% on time across 1,113 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

The sample behind these figures is 1,114 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 JetBlue on ATL to JFK

Put together: the delay figures matter less here than the 5.83% 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. 1,046 completed flights over 12 months sit behind that.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.