Flight number record
B6 1247
JetBlue Airways · New York to Tampa
- Route
- LGA → TPA
- Departs
- 09:29
- Flights
- 253
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s B6 1247, check with JetBlue Airways.
B6 1247 lands a B−, about a point better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That is a workable record, not a spotless one. That rests on 253 flights, with a median arrival 7 minutes early.
Key figures
On time
79.0%
Arrivals under 15 minutes late, of 243 completed flights
Avg delay
71 min
Across delayed arrivals only, not all flights
Cancelled
3.16%
National rate is 1.81%
1 hour+ late
6.2%
National rate is 8.1%
These figures cover 253 flights between July 2025 and June 2026. The median arrival is 7 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Schedule
When B6 1247 flies
B6 1247 flies LGA to TPA without a single fixed slot. Its most common scheduled departure was 09:29, used on 70 of 253 flights, with 07:59 (46 flights) and 09:50 (39 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 09:2970 flights27.7%
- Departs 07:5946 flights18.2%
- Departs 09:5039 flights15.4%
Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 09:29 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 84.1%, and B6 1247 runs 5 points worse at 79.0%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
Against the route
B6 1247 next to LGA to TPA
Every carrier on LGA to TPA combined arrived on time 71.0% of the time across 2,840 flights, so B6 1247 is 8 points ahead of it. JetBlue flew 477 flights on the same city pair under all its flight numbers, including this one, and those ran 66.8% on time. Across its whole network JetBlue Airways managed 72.7%, which this flight beats by 6 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| B6 1247thin sample | 253 | 79.0% | 71 min | 3.16% | B− |
| All JetBlue Airways on LGA–TPA | 477 | 66.8% | 81 min | 3.35% | C− |
| All carriers on LGA–TPA | 2,840 | 71.0% | 80 min | 3.17% | C− |
| JetBlue Airways, whole network | 234,468 | 72.7% | 76 min | 2.56% | C |
Across the year
B6 1247 quarter by quarter
B6 1247 did not run the same all year. Its best quarter was Jul–Sep 2025 at 91.1% on time and its weakest Oct–Dec 2025 at 66.7%, a swing of 24 points on roughly 84 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 202592 flights91.1%
- Oct–Dec 202591 flights66.7%
- Jan–Mar 202670 flights78.8%
Scale runs 60% to 95%. Rows with fewer than 30 flights show a dash.
By weekday, B6 1247 did best on Wednesday at 88.9% on time and worst on Sunday at 72.7%. Each day rests on about 36 flights, so a gap of 16 points is worth noticing but could still narrow in another year.
Delay causes
Why B6 1247 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 3,614 reported delay minutes.
- 39%Carrier
- 33%National Airspace System
- 27%Late-arriving aircraft
- 0%Extreme weather
33% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 1,206 minutes out of 3,614, against a national NAS share of 21%. The split is drawn from 3,614 delay minutes reported on B6 1247.
Cancellations run at 3.16%, against 1.81% nationally. That is about one flight in 30 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
6.2% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
The 1,010 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. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
Every one of the 253 flights under B6 1247 in the data flew LGA to TPA. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 253 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 1247
For a booking, the cancellation rate is the figure to plan around on B6 1247: 3.16% of its 253 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
- LGA to TPA, every carrier and departure
- TPA to LGA, the return direction
- LaGuardia (LGA) delay statistics
- Tampa International (TPA) 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
- What a cancellation rate actually tells you (and what it hides)
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, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.