Carrier route record
B6MCO→BUF
JetBlue Airways · Orlando to Buffalo
- Flights
- 560
- Period
- September 2025 to August 2026
- Share of route
- 31%
- Carriers
- 3
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with JetBlue Airways.
JetBlue on MCO to BUF 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 560 flights, with a median arrival 2 minutes late.
The national on-time rate over the same period is 77.3%, so JetBlue on MCO to BUF runs 12 points behind the country as a whole. Across a thousand flights that is about 117 extra late arrivals.
Key figures
On time
65.6%
Arrivals under 15 minutes late, of 544 completed flights
Avg delay
75 min
Across delayed arrivals only, not all flights
Cancelled
2.68%
National rate is 1.89%
Whole route
66.4%
Every carrier on MCO to BUF, 1,811 flights
These figures cover 560 flights between September 2025 and August 2026. Beyond the headline rate, 15.8% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
JetBlue against every carrier on MCO to BUF
JetBlue flew 560 of the 1,811 flights on MCO to BUF, about 31% of it. Its 65.6% on time is about level with the route as a whole at 66.4%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from Frontier at 71.5% to Southwest at 65.3%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Frontier Airlinesthin sample | 302 | 71.5% | 66 min | 0.99% | C+ |
| JetBlue Airways (this page) | 560 | 65.6% | 75 min | 2.68% | C |
| Southwest Airlines | 949 | 65.3% | 52 min | 1.05% | C |
Flight by flight
JetBlue flight numbers on MCO to BUF
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Departure window
When JetBlue runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 33 points, against half a point between the best and worst carrier.
- 5am–8am75 flights90.0%
- 8am–11am27 flights—
- 11am–2pm95 flights57.6%
- 2pm–5pm66 flights79.4%
- 5pm–8pm232 flights57.0%
- 8pm–5am65 flights62.5%
Scale runs 50% to 95%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 57.0% on time, against 90.0% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 232 flights scheduled in it.
Across the year
JetBlue on MCO to BUF through the year
May is the best month on the calendar at 87.1% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. August was the busiest month here, with 77 flights.
Across the week, Wednesday is the strongest day at 80.8% on time and Sunday the weakest at 51.9%, a spread of 29 points.
Arrival by arrival
How late JetBlue on MCO to BUF runs when it is late
The 187 late arrivals split 53 under half an hour, 48 between 30 and 60 minutes, and 86 an hour or more.
- 15+ min early95 flights17.5%
- Within 15 min262 flights48.2%
- 15–29 min late53 flights9.7%
- 30–59 min late48 flights8.8%
- 1–2 hours late47 flights8.6%
- 2+ hours late39 flights7.2%
Scale runs 0% to 100%.
Share of 544 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 166 departures that left 15 minutes late or more, only 13 made it up before arrival. In the other direction, 34 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 BUF.
The worst days
Worst days for JetBlue on MCO to BUF
The latest arrival of the period was on 17 August 2026, 5 hours 56 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 17 August 2026 | 5 hours 56 minutes | Late-arriving aircraft |
| 6 August 2026 | 4 hours 10 minutes | Late-arriving aircraft |
| 30 October 2025 | 4 hours 6 minutes | Late-arriving aircraft |
| 29 July 2026 | 4 hours 6 minutes | National Airspace System |
| 26 October 2025 | 3 hours 55 minutes | Carrier |
Delay causes
Why JetBlue runs late on this route
Late-arriving aircraft accounts for 51% of the 14,000 delay minutes carriers reported here, and the remaining four split what is left.
- 51%Late-arriving aircraft
- 24%Carrier
- 20%National Airspace System
- 5%Extreme weather
51% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 14,000 reported delay minutes here, that single category outweighs weather by 10 to one. The split is drawn from 14,004 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 90.0% on time here.
Cancellations run at 2.68%, against 1.89% nationally. That is about one flight in 40 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 stage length
What a delay here costs
15.8% 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 1,011 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.
The return leg is a different operation and performs like one: it runs 78.1% on time across 562 flights, 13 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 13 points of difference.
One caution: this is a thin sample. 560 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 JetBlue on MCO to BUF
Put together: treat all of this as provisional. 560 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 65.6% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 544 completed flights over 12 months sit behind that.
Related
Where to go next
- MCO to BUF, every carrier
- JetBlue on BUF to MCO, the return leg
- Frontier Airlines on MCO to BUF71.5%
- Southwest Airlines on MCO to BUF65.3%
- JetBlue Airways network-wide record
- Orlando International (MCO) delay statistics
- The US routes with the most cancellations
- Why the first flight of the morning is statistically safest
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.