Flight number record

B6 1586

JetBlue Airways · Orlando to Buffalo

Route: MCO → BUF
Departs: 14:59
Flights: 364
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s B6 1586, check with JetBlue Airways.

B6 1586 draws a C. 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 364 flights, with a median arrival 1 minute late.

The national on-time rate over the same period is 77.6%, so B6 1586 runs 11 points behind the country as a whole. Across a thousand flights that is about 110 extra late arrivals.

On time

66.6%

Arrivals under 15 minutes late, of 359 completed flights

Avg delay

72 min

Across delayed arrivals only, not all flights

Cancelled

1.10%

National rate is 1.81%

1 hour+ late

15.0%

National rate is 8.1%

These figures cover 364 flights between July 2025 and June 2026. Beyond the headline rate, 15.0% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Schedule

When B6 1586 flies

B6 1586 flies MCO to BUF without a single fixed slot. Its most common scheduled departure was 14:59, used on 64 of 364 flights, with 16:05 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 14:5964 flights17.6%
Departs 16:0537 flights10.2%

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 14:59 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 72.4%, and B6 1586 runs 6 points worse at 66.6%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

B6 1586 next to MCO to BUF

Every carrier on MCO to BUF combined arrived on time 68.1% of the time across 1,771 flights, so B6 1586 is 2 points behind it. Across its whole network JetBlue Airways managed 72.7%, which this flight trails by 6 points.

B6 1586 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
B6 1586thin sample	364	66.6%	72 min	1.10%	C
All JetBlue Airways on MCO–BUF	533	67.2%	70 min	1.50%	C
All carriers on MCO–BUF	1,771	68.1%	59 min	1.19%	C
JetBlue Airways, whole network	234,468	72.7%	76 min	2.56%	C

Across the year

B6 1586 quarter by quarter

B6 1586 did not run the same all year. Its best quarter was Apr–Jun 2026 at 72.5% on time and its weakest Jan–Mar 2026 at 60.5%, a swing of 12 points on roughly 91 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 flights64.1%
Oct–Dec 202591 flights68.9%
Jan–Mar 202690 flights60.5%
Apr–Jun 202691 flights72.5%

Scale runs 50% to 80%. Rows with fewer than 30 flights show a dash.

By weekday, B6 1586 did best on Wednesday at 82.7% on time and worst on Sunday at 46.0%. Each day rests on about 52 flights, so a gap of 37 points is worth noticing but could still narrow in another year.

Delay causes

Why B6 1586 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 46% of the 8,617 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
46%
Carrier
31%
National Airspace System
18%
Extreme weather
5%

46% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 8,617 reported delay minutes here, that single category outweighs weather by 10 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 8,617 delay minutes reported on B6 1586.

Cancellations sit at 1.10% against a national 1.81%, which is ordinary. Diversions add another 0.27%.

Connections and routes

What a delay on this flight costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 15.0% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The 1,011 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 364 flights under B6 1586 in the data flew MCO to BUF. 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. 364 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 1586

For a booking, B6 1586 is a flight to put a long connection behind. 15.0% 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.

Where to go next

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.

Key figures