Flight number record
B6 602
JetBlue Airways · Fort Lauderdale to New York
- Route
- FLL → JFK
- Departs
- 11:57
- Flights
- 322
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s B6 602, check with JetBlue Airways.
B6 602 draws a D−. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 322 flights, with a median arrival 1 minute late.
The national on-time rate over the same period is 77.3%, so B6 602 runs 13 points behind the country as a whole. Across a thousand flights that is about 127 extra late arrivals.
Key figures
On time
64.6%
Arrivals under 15 minutes late, of 302 completed flights
Avg delay
76 min
Across delayed arrivals only, not all flights
Cancelled
6.21%
National rate is 1.89%
1 hour+ late
15.9%
National rate is 8.3%
These figures cover 322 flights between September 2025 and August 2026. Beyond the headline rate, 15.9% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When B6 602 flies
B6 602 flies FLL to JFK without a single fixed slot. Its most common scheduled departure was 11:57, used on 50 of 322 flights.
- Departs 11:5750 flights15.5%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 11:57 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and B6 602 runs 14 points worse at 64.6%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
B6 602 next to FLL to JFK
Every carrier on FLL to JFK combined arrived on time 70.0% of the time across 3,896 flights, so B6 602 is 5 points behind it. JetBlue flew 2,281 flights on the same city pair under all its flight numbers, including this one, and those ran 66.5% on time. Across its whole network JetBlue Airways managed 71.3%, which this flight trails by 7 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| B6 602thin sample | 322 | 64.6% | 76 min | 6.21% | D− |
| All JetBlue Airways on FLL–JFK | 2,281 | 66.5% | 71 min | 5.30% | C− |
| All carriers on FLL–JFK | 3,896 | 70.0% | 73 min | 4.77% | C− |
| JetBlue Airways, whole network | 240,615 | 71.3% | 77 min | 3.56% | C− |
Across the year
B6 602 quarter by quarter
B6 602 did not run the same all year. Its best quarter was Apr–Jun 2026 at 70.1% on time and its weakest Jul–Sep 2026 at 53.1%, a swing of 17 points on roughly 81 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.
- Jul–Sep 202525 flights—
- Oct–Dec 202572 flights69.6%
- Jan–Mar 202685 flights56.1%
- Apr–Jun 202678 flights70.1%
- Jul–Sep 202662 flights53.1%
Scale runs 45% to 75%. Rows with fewer than 30 flights show a dash.
By weekday, B6 602 did best on Saturday at 73.5% on time and worst on Sunday at 53.5%. Each day rests on about 46 flights, so a gap of 20 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late B6 602 runs when it is late
The 107 late arrivals split 25 under half an hour, 34 between 30 and 60 minutes, and 48 an hour or more.
- 15+ min early73 flights24.2%
- Within 15 min122 flights40.4%
- 15–29 min late25 flights8.3%
- 30–59 min late34 flights11.3%
- 1–2 hours late30 flights9.9%
- 2+ hours late18 flights6.0%
Scale runs 0% to 100%.
Share of 302 completed flights by arrival against schedule.
27 of 120 late departures made up the time and arrived on time, 23% of them. 14 flights left on time and still arrived late.
The worst days
Worst days for B6 602
The latest arrival of the period was on 5 July 2026, 5 hours 35 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 5 July 2026 | 5 hours 35 minutes | Late-arriving aircraft |
| 21 August 2026 | 5 hours 8 minutes | Late-arriving aircraft |
| 23 August 2026 | 4 hours 58 minutes | Carrier |
| 14 February 2026 | 4 hours 27 minutes | Late-arriving aircraft |
| 24 February 2026 | 3 hours 42 minutes | National Airspace System |
Delay causes
Why B6 602 runs late
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 8,111 reported delay minutes.
- 40%Late-arriving aircraft
- 32%National Airspace System
- 25%Carrier
- 2%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 8,111 reported delay minutes here, that single category outweighs weather by 16 to one. The split is drawn from 8,111 delay minutes reported on B6 602.
Cancellations run at 6.21%, against 1.89% nationally. That is about 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 routes
What a delay on this flight costs
15.9% 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 1,069 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 same number turns up on one other city pair in the data, including RSW to JFK (19), but none flew often enough under B6 602 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to FLL to JFK only.
One caution: this is a thin sample. 322 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 B6 602
For a booking, the cancellation rate is the figure to plan around on B6 602: 6.21% of its 322 scheduled flights did not operate. A late arrival costs a little over an hour, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- FLL to JFK, every carrier and departure
- JFK to FLL, the return direction
- Delta Air Lines 2165 on the same route89.2%
- JetBlue Airways 1902 on the same route61.9%
- Delta Air Lines 305 on the same route71.3%
- JetBlue Airways 2102 on the same route66.0%
- JetBlue Airways 1002 on the same route72.3%
- Delta Air Lines 1422 on the same route70.9%
- Fort Lauderdale-Hollywood International (FLL) delay statistics
- John F. Kennedy International (JFK) delay statistics
- JetBlue Airways on-time record
- Every JetBlue Airways flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means JetBlue Airways’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
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.