Carrier route record
B6JFK→ATL
JetBlue Airways · New York to Atlanta
- Flights
- 1,113
- Period
- September 2025 to August 2026
- Share of route
- 26%
- Carriers
- 3
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with JetBlue Airways.
JetBlue on JFK to ATL carries a cancellation problem, not just a delay problem: 5.5% of scheduled flights never operate, against 1.9% nationally. Of the ones that do fly, about two flights in three 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 1,113 flights. The strongest carrier on the route with a full sample, Delta Air Lines, flew 2,453 at 81.4% on time.
The national on-time rate over the same period is 77.3%, so JetBlue on JFK to ATL runs 11 points behind the country as a whole. Across a thousand flights that is about 108 extra late arrivals.
Key figures
On time
66.5%
Arrivals under 15 minutes late, of 1,050 completed flights
Avg delay
77 min
Across delayed arrivals only, not all flights
Cancelled
5.48%
National rate is 1.89%
Whole route
75.5%
Every carrier on JFK to ATL, 4,227 flights
These figures cover 1,113 flights between September 2025 and August 2026. Beyond the headline rate, 14.2% 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 JFK to ATL
JetBlue flew 1,113 of the 4,227 flights on JFK to ATL, about 26% of it. Its 66.5% on time is 9 points worse than the route as a whole, which runs 75.5%. Ranked by on-time rate it is last of three carriers on the route, where the range runs from Delta at 81.4% to JetBlue at 66.5%.
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 81.4% of the time; Frontier Airlines manages 68.6%. Sample sizes sit next to every figure, because a two-point gap across 661 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 2,453 | 81.4% | 89 min | 1.67% | B |
| Frontier Airlines | 661 | 68.6% | 82 min | 2.27% | C |
| JetBlue Airways (this page) | 1,113 | 66.5% | 77 min | 5.48% | C− |
The spread between Delta and Frontier is 13 points, wide enough that it should decide the booking. On a hundred trips that is 13 more arrivals inside the on-time window.
Flight by flight
JetBlue flight numbers on JFK to ATL
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 23 points, against 13 points between the best and worst carrier.
- 5am–8am161 flights78.4%
- 8am–11am201 flights75.9%
- 11am–2pm149 flights68.8%
- 2pm–5pm278 flights60.8%
- 5pm–8pm125 flights63.2%
- 8pm–5am199 flights55.6%
Scale runs 45% to 85%.
The 8pm–5am window is where this operation falls apart: 55.6% on time, against 78.4% 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 2pm–5pm window is the busiest, with 278 flights scheduled in it.
Across the year
JetBlue on JFK to ATL through the year
August is the worst month at 45.5% on time, 39 points below March, the best at 84.7%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. November was the busiest month here, with 119 flights.
Across the week, Wednesday is the strongest day at 77.9% on time and Sunday the weakest at 55.6%, a spread of 22 points.
Arrival by arrival
How late JetBlue on JFK to ATL runs when it is late
JetBlue on JFK to ATL often beats the schedule: 297 of 1,050 completed flights, 28%, arrived 15 minutes or more early. The 352 late arrivals split 106 under half an hour, 97 between 30 and 60 minutes, and 149 an hour or more.
- 15+ min early297 flights28.3%
- Within 15 min401 flights38.2%
- 15–29 min late106 flights10.1%
- 30–59 min late97 flights9.2%
- 1–2 hours late84 flights8.0%
- 2+ hours late65 flights6.2%
Scale runs 0% to 100%.
Share of 1,050 completed flights by arrival against schedule.
66 of 349 late departures made up the time and arrived on time, 19% of them. In the other direction, 69 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at ATL.
The worst days
Worst days for JetBlue on JFK to ATL
The latest arrival of the period was on 18 July 2026, 13 hours 17 minutes behind schedule; most of its delay minutes were filed as extreme weather. The five worst days are spread across July, September, August and December, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 18 July 2026 | 13 hours 17 minutes | Extreme weather |
| 4 September 2025 | 11 hours 32 minutes | Carrier |
| 14 August 2026 | 6 hours 20 minutes | Carrier |
| 29 December 2025 | 5 hours 37 minutes | Late-arriving aircraft |
| 30 December 2025 | 5 hours 30 minutes | Late-arriving aircraft |
Delay causes
Why JetBlue 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 27,000 reported delay minutes.
- 40%Late-arriving aircraft
- 34%Carrier
- 21%National Airspace System
- 5%Extreme weather
- 0%Security
40% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 27,000 reported delay minutes here, that single category outweighs weather by 9 to one. The split is drawn from 27,090 reported delay minutes.
The largest share of delay minutes, 34%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 9,292 of the 27,000 delay minutes reported here.
Cancellations run at 5.48%, against 1.89% nationally. That is roughly 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
14.2% 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 68.6% on time across 1,114 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 1,113 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 JFK to ATL
Put together: the delay figures matter less here than the 5.48% cancellation rate. A late arrival costs you a little over an hour; 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. 1,050 completed flights over 12 months sit behind that.
Related
Where to go next
- JFK to ATL, every carrier
- JetBlue on ATL to JFK, the return leg
- Delta Air Lines on JFK to ATL81.4%
- Frontier Airlines on JFK to ATL68.6%
- JetBlue Airways network-wide record
- John F. Kennedy International (JFK) delay statistics
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- The US routes with the most cancellations
- Same route, different airline: where the carrier you pick matters most
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.