Flight profile · JetBlue
B6320
Atlanta (ATL) to New York (JFK) · scheduled 6:10 AM – 8:30 AM
How B6320 performs
630 operations, October 2023 – August 2026.
Between its first and last recorded date on ATL → JFK, B6320 averaged about 4 operations a week (630 in 1,038 days, cancelled ones included).
B6320 arrived on time 83.2% of the time, against 74.7% for all ATL → JFK flights, so this departure is 8.5 percentage points better than the route as a whole. Against JetBlue’s own flights on this route it is 14.5 points better.
Source: US DOT Bureau of Transportation Statistics · 630 operations, October 2023 – August 2026 · If B6320 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
What stands out
How B6320 compares to other flight numbers, not just to itself.
This flight runs unusually far ahead of the carrier's own average on this route, better than 98% of 12,152 comparable flight numbers.
83.2% on time for this specific departure, against 68.7% for the same carrier's other flights on this route.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – August 2026 · The one thing about this specific departure that ranks most extreme against every other published flight number, out of everything FlyerIntel checks — shown only when something clears a real statistical bar, not for every flight.
Where B6320 is right now
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| B6320 | 83.2% | 2.70% | -7 min | 6.5% | 630 |
| JetBlue on ATL → JFK | 68.7% | 3.43% | -2 min | 14.5% | 3,355 |
| All ATL → JFK flights | 74.7% | 1.70% | -5 min | 10.2% | 12,322 |
B6320 has cancelled 2.70% of its scheduled departures (17 of 630), against 1.70% for all ATL → JFK flights — this specific departure cancels 1.0 percentage points more often than the route as a whole. Different flight numbers on the same route can carry different aircraft, crews and schedules, so this is a fact about B6320 specifically, not about the route it flies.
6.5% of B6320’s arrivals were an hour or more late, against 10.2% across ATL → JFK, so the long delays are less common on this number than on the route.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – August 2026
Why B6320 runs late
Where US DOT attributed the delay minutes on this flight.
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
airspace and airport capacity, including weather-driven flow control
Share of the delay minutes US DOT attributed to each cause for B6320 on ATL → JFK. Only delays of 15 minutes or more are attributed. What the five causes mean
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – August 2026
Does a late aircraft delay this flight?
How often the plane that flies B6320 comes in late, and what that does to the departure.
B6320 is usually the aircraft’s first flight of the day: the schedule gives it a median of 7.2 hours on the ground at ATL, so its “inbound” is mostly the aircraft’s arrival the evening before.
When the aircraft came in 15 or more minutes late, B6320 pushed back an average of 18 minutes late; when it came in on time or early, an average of 4 minutes late.
Matched by tail number to the aircraft’s previous flight into ATL: 560 of 613 departures. Unknown, cancelled or diverted inbounds and gaps over 12 hours are left out.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late | Left 15+ late after a late inbound | Left 15+ late after an on-time inbound |
|---|---|---|---|
| B6320 | 41% | 27% | 10% |
| Network, same turn | 29% | 12% | 9% |
A night on the ground usually absorbs a late arrival, but this flight has passed a late inbound on more often than the network does.
The network row is every flight with a scheduled turn of 6 hours or more, usually overnight. How often B6320’s aircraft landed 15 or more minutes late is higher than the network’s and, once the aircraft was late, how often B6320 left 15 or more minutes late is higher than the network’s.
Which Flight Numbers Pay for a Late Aircraft ranks the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – August 2026
From pushback to gate
When it leaves ATL late, does that still matter by the time it reaches JFK?
B6320 pushes back an average of 15.4 minutes late and reaches the gate at JFK an average of 8.6 minutes late. The 6.8 minutes between those two figures are slack the published schedule already carries, so a late pushback is partly, not fully, made up before the gate. Its 16.5 minutes on the taxiways at ATL is about what any departure from the airport in that hour spends.
On arrival at JFK, B6320 spends 10.1 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 1.4 minutes shorter than a typical JFK arrival (11.5 min).
Taxi-out is gate to wheels up and sits inside the scheduled block; the hourly comparison is 20,082 ATL departures. Taxi-in is landing to gate, set against 360,684 arrivals at JFK. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – August 2026
The hour it leaves ATL
B6320 has one departure time, 6:10 AM, so this is what that hour at ATL is worth.
On-time arrival rate. 20,082 departures from ATL are scheduled in the 6 AM–7 AM hour over the period, against 1,039,468 across the whole day.
B6320 is scheduled out of ATL at 6:10 AM, in the 6 AM–7 AM bank. Departures from ATL in that hour arrive on time 89.4% of the time against 78.6% across the airport’s whole day — the slot alone is worth 10.7 points better before anything about this particular flight is considered.
Both airport figures cover every destination from ATL, so they describe the slot, not this journey; the route comparison is above. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – August 2026 · Hours below 120 departures are not scored.
Other routes B6320 has flown
Carriers reassign flight numbers. B6320 also served this other city pair in the period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| SAN→BOS San Diego to Boston | October 6–28, 2023 | 23 | — |
The figures above describe only ATL → JFK, the route B6320 flies now.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
33 min late
against a median of 7 min early
Percentiles over 630 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – August 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| DL1034 | Delta Air Lines | 89.0% | 9 min early | 704 |
| DL2420 | Delta Air Lines | 87.6% | 8 min early | 795 |
| B6320 this flight | JetBlue | 83.2% | 7 min early | 630 |
| DL2380 | Delta Air Lines | 79.7% | 4 min early | 932 |
| DL2398 | Delta Air Lines | 72.9% | 6 min early | 688 |
| DL2386 | Delta Air Lines | 72.4% | 6 min early | 813 |
| DL2378 | Delta Air Lines | 67.9% | 1 min early | 825 |
| B6520 | JetBlue | 65.4% | 1 min early | 954 |
Among all 8 departures on this route with at least 600 operations, B6320 has the 3rd highest on-time rate, 5.8 points behind the best. Every departure here has at least 600 operations; the other rows are the most punctual on the route, not all of them.
Data and methodology
Calculated by FlyerIntel from 630 records of B6320 operating ATL → JFK, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule; cancelled and diverted flights are reported separately, not in the on-time rate.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
Analysis last recomputed