Flight number record
B6 438
JetBlue Airways · Orlando to Hartford
- Route
- MCO → BDL
- Departs
- 17:15
- Flights
- 262
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s B6 438, check with JetBlue Airways.
B6 438 draws a D. Roughly 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 262 flights, with a median arrival 3 minutes late.
The national on-time rate over the same period is 77.3%, so B6 438 runs 14 points behind the country as a whole. Across a thousand flights that is about 140 extra late arrivals.
Key figures
On time
63.3%
Arrivals under 15 minutes late, of 256 completed flights
Avg delay
73 min
Across delayed arrivals only, not all flights
Cancelled
2.29%
National rate is 1.89%
1 hour+ late
15.6%
National rate is 8.3%
These figures cover 262 flights between September 2025 and August 2026. Beyond the headline rate, 15.6% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When B6 438 flies
B6 438 flies MCO to BDL without a single fixed slot. Its most common scheduled departure was 17:15, used on 31 of 262 flights.
- Departs 17:1531 flights11.8%
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 17:15 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.0%, and B6 438 runs 5 points worse at 63.3%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
B6 438 next to MCO to BDL
Every carrier on MCO to BDL combined arrived on time 71.0% of the time across 1,867 flights, so B6 438 is 8 points behind it. JetBlue flew 1,000 flights on the same city pair under all its flight numbers, including this one, and those ran 70.9% on time. Across its whole network JetBlue Airways managed 71.3%, which this flight trails by 8 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| B6 438thin sample | 262 | 63.3% | 73 min | 2.29% | D |
| All JetBlue Airways on MCO–BDL | 1,000 | 70.9% | 76 min | 2.30% | C |
| All carriers on MCO–BDL | 1,867 | 71.0% | 73 min | 2.14% | C |
| JetBlue Airways, whole network | 240,615 | 71.3% | 77 min | 3.56% | C− |
Across the year
B6 438 quarter by quarter
B6 438 did not run the same all year. Its best quarter was Apr–Jun 2026 at 77.8% on time and its weakest Jul–Sep 2026 at 47.5%, a swing of 30 points on roughly 87 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 20252 flights—
- Oct–Dec 202525 flights—
- Jan–Mar 202684 flights60.3%
- Apr–Jun 202690 flights77.8%
- Jul–Sep 202661 flights47.5%
Scale runs 40% to 85%. Rows with fewer than 30 flights show a dash.
By weekday, B6 438 did best on Tuesday at 74.3% on time and worst on Monday at 48.6%. Each day rests on about 37 flights, so a gap of 26 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late B6 438 runs when it is late
The 94 late arrivals split 21 under half an hour, 33 between 30 and 60 minutes, and 40 an hour or more.
- 15+ min early52 flights20.3%
- Within 15 min110 flights43.0%
- 15–29 min late21 flights8.2%
- 30–59 min late33 flights12.9%
- 1–2 hours late21 flights8.2%
- 2+ hours late19 flights7.4%
Scale runs 0% to 100%.
Share of 256 completed flights by arrival against schedule.
13 of 94 late departures made up the time and arrived on time, 14% of them. In the other direction, 13 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 BDL.
The worst days
Worst days for B6 438
The latest arrival of the period was on 30 June 2026, 5 hours 49 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on four of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 30 June 2026 | 5 hours 49 minutes | Late-arriving aircraft |
| 5 January 2026 | 4 hours 12 minutes | Late-arriving aircraft |
| 25 June 2026 | 3 hours 49 minutes | Late-arriving aircraft |
| 18 July 2026 | 3 hours 24 minutes | National Airspace System |
| 3 August 2026 | 3 hours 7 minutes | Late-arriving aircraft |
Delay causes
Why B6 438 runs late
Late-arriving aircraft accounts for 51% of the 6,866 delay minutes carriers reported here, and the remaining four split what is left.
- 51%Late-arriving aircraft
- 22%Carrier
- 21%National Airspace System
- 6%Extreme weather
- 0%Security
51% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 6,866 reported delay minutes here, that single category outweighs weather by 8 to one. The split is drawn from 6,866 delay minutes reported on B6 438.
Cancellations sit at 2.29% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
15.6% 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 1,050 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.
Every one of the 262 flights under B6 438 in the data flew MCO to BDL. 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. 262 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 438
For a booking, B6 438 is a flight to put a long connection behind. 15.6% of its completed flights arrived an hour or more late, which a short layover will not absorb. If the onward flight is on a separate ticket, the risk sits with you.
Related
Where to go next
- MCO to BDL, every carrier and departure
- BDL to MCO, the return direction
- Orlando International (MCO) 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.