63% of flights from Fort Lauderdale to Buffalo arrived on time over the past 12 months. That is worse than the typical U.S. route. 15% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for FLL → BUF: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 67 three hours or more; 2.6% were cancelled outright.
- On time or early63%
- 15–30 min late12%
- 30–60 min late11%
- 1–2 hours late9.0%
- 2–3 hours late2.1%
- 3+ hours late1.5%
- Diverted0.0%
- Cancelled2.6%
Share of all 536 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| JetBlue | 478 | 63% | 2.9% | +1 min | 13.2% | +63 min | JetBlue |
| Southwest Airlines | 58 | — | — | — | — | — | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at FLL). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | JetBlue |
|---|---|
| 7 p.m. | 69% |
Last flight of the day
On FLL → BUF, each airline's last flight of the day was cancelled 5.6% of the time, against 3.9% for its earlier flights (1.4× as often). It arrived 3+ hours late 0.8% of the time (earlier flights: 1.6%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| JetBlue | 4:40 p.m. | 6.0% | 0.9% | 4.2% | first flight 4:40 p.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
If you need to be in BUF tonight, book an earlier flight so there's a backup if it's cancelled.
By month
Each calendar month pooled over 2023–2026. Best: November (85%). Worst: August (56%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 75 | — | — |
| Tuesday | 57 | — | — |
| Wednesday | 62 | — | — |
| Thursday | 70 | — | — |
| Friday | 77 | — | — |
| Saturday | 112 | 63% | 0.0% |
| Sunday | 83 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 11 · airline 3
Month by month
Not enough months with data to draw a trend.
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| B6 2466 | 7:29 p.m. | 243 | 68% | 2.1% | −2 min | JetBlue |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Feb 16, 2026 | 3 | 0% | 0 |
| Feb 14, 2026 | 4 | 25% | 0 |
| Jan 24, 2026 | 3 | 33% | 0 |
| Mar 8, 2026 | 3 | 33% | 0 |
| Jan 31, 2026 | 3 | 33% | 0 |
Questions
How often are flights from FLL to BUF on time?
63% of 536 scheduled flights from Fort Lauderdale, FL to Buffalo, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 2.6% were cancelled.
What month has the most delays from FLL to BUF?
August (56% on time). The best month is November (85%), over 2023–2026.
Is the last flight of the day from FLL to BUF more likely to be cancelled?
Yes. Each airline's last FLL–BUF flight of the day was cancelled 5.6% of the time over the past year, against 3.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- BUF → FLL (return)
- Fort Lauderdale (FLL) delays by hour
- Flights into Buffalo Niagara (BUF)
- JetBlue on-time record
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.