Best Time to Fly FLL to BUF: On-Time Stats by Hour & Airline
Fort Lauderdale-Hollywood International → Buffalo Niagara International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 64.6% of Fort Lauderdale (FLL) to Buffalo (BUF) flights arrived on time (555 scheduled flights). That is 13.0 points below the national average of 77.6%.
JetBlue was the most punctual of the 2 airlines on the route at 65.9%, while Southwest Airlines trailed at 54.2%.
November has been the best month (93% on time) and Sunday the weakest day of the week (60%).
2.5% of flights were cancelled, versus 1.8% nationally.
FLL to BUF on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue | 65.9% | 65 min | 2.8% | 496 |
| Southwest Airlines | 54.2% | 42 min | 0.0% | 59 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FLL to BUF
On-time arrival % by scheduled departure hour (local time), 1,145 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 95.9% | 0.0% | 49 |
| 7am–8am | 97.4% | 0.0% | 78 |
| 8am–9am | Limited data | 17 | |
| 9am–10am | Limited data | 23 | |
| 10am–11am | 66.7% | 5.7% | 35 |
| 11am–12pm | Limited data | 8 | |
| 12pm–1pm | 65.4% | 0.0% | 52 |
| 1pm–2pm | 67.7% | 3.1% | 64 |
| 2pm–3pm | 68.5% | 2.3% | 130 |
| 3pm–4pm | 74.1% | 0.0% | 58 |
| 4pm–5pm | 48.6% | 0.0% | 72 |
| 5pm–6pm | 66.7% | 2.7% | 74 |
| 6pm–7pm | 74.7% | 0.0% | 83 |
| 7pm–8pm | 71.9% | 1.1% | 271 |
| 8pm–9pm | 56.7% | 5.2% | 96 |
| 9pm–10pm | 77.1% | 0.0% | 35 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FLL to BUF
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 29 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 54.5% | -18.7 pts | 5.2% | 58 |
| Summer peak (Jun 15 - Aug 15) | 63.4% | -9.8 pts | 1.3% | 156 |
| All other days | 73.2% | — | 1.3% | 902 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).