Flight number record

B6 2355

JetBlue Airways · Boston to Washington

Route: BOS → DCA
Departs: 09:22
Flights: 349
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s B6 2355, check with JetBlue Airways.

B6 2355 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 349 flights, with a median arrival 4 minutes late.

The national on-time rate over the same period is 77.6%, so B6 2355 runs 13 points behind the country as a whole. Across a thousand flights that is about 126 extra late arrivals.

On time

65.0%

Arrivals under 15 minutes late, of 340 completed flights

Avg delay

74 min

Across delayed arrivals only, not all flights

Cancelled

2.29%

National rate is 1.81%

1 hour+ late

14.7%

National rate is 8.1%

These figures cover 349 flights between July 2025 and June 2026. Beyond the headline rate, 14.7% 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 2355 flies

B6 2355 flies BOS to DCA without a single fixed slot. Its most common scheduled departure was 09:22, used on 55 of 349 flights, with 08:00 (51 flights) and 19:14 (48 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 09:2255 flights15.8%
Departs 08:0051 flights14.6%
Departs 19:1448 flights13.8%

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 09:22 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 84.1%, and B6 2355 runs 19 points worse at 65.0%. 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 2355 next to BOS to DCA

Every carrier on BOS to DCA combined arrived on time 74.0% of the time across 9,082 flights, so B6 2355 is 9 points behind it. JetBlue flew 2,634 flights on the same city pair under all its flight numbers, including this one, and those ran 68.8% on time. Across its whole network JetBlue Airways managed 72.7%, which this flight trails by 8 points.

B6 2355 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
B6 2355thin sample	349	65.0%	74 min	2.29%	C
All JetBlue Airways on BOS–DCA	2,634	68.8%	72 min	3.80%	C−
All carriers on BOS–DCA	9,082	74.0%	72 min	3.88%	C−
JetBlue Airways, whole network	234,468	72.7%	76 min	2.56%	C

Across the year

B6 2355 quarter by quarter

B6 2355 did not run the same all year. Its best quarter was Jul–Sep 2025 at 86.7% on time and its weakest Jan–Mar 2026 at 45.2%, a swing of 42 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 202583 flights86.7%
Oct–Dec 202591 flights56.2%
Jan–Mar 202690 flights45.2%
Apr–Jun 202685 flights72.6%

Scale runs 35% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, B6 2355 did best on Saturday at 83.3% on time and worst on Friday at 54.9%. Each day rests on about 50 flights, so a gap of 28 points is worth noticing but could still narrow in another year.

Delay causes

Why B6 2355 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 43% of the 8,748 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
43%
National Airspace System
37%
Carrier
19%
Extreme weather
1%

43% 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 8,748 reported delay minutes here, that single category outweighs weather by 32 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 8,748 delay minutes reported on B6 2355.

Cancellations sit at 2.29% against a national 1.81%, which is ordinary. Diversions add another 0.29%.

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. 14.7% 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.

Every one of the 349 flights under B6 2355 in the data flew BOS to DCA. 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. 349 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 2355

For a booking, B6 2355 is a flight to put a long connection behind. 14.7% 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