Best Time to Fly BUF to FLL: On-Time Stats by Hour & Airline
Buffalo Niagara International → Fort Lauderdale-Hollywood International
Data through July 2026 · Last updated October 18, 2026
553 flights were scheduled from Buffalo (BUF) to Fort Lauderdale (FLL) in the last 12 months, and 75.5% of those that flew arrived on time, 2.2 points below the US average of 77.6%.
Among 2 airlines, JetBlue led with 76.9% on time and Southwest Airlines was last with 63.8%.
Over 24 months, Tuesday was the most reliable day (87% on time) and December the worst month (59%).
The cancellation rate was 2.4% (US average 1.8%).
BUF to FLL 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 | 76.9% | 69 min | 2.4% | 494 |
| Southwest Airlines | 63.8% | 68 min | 1.7% | 59 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BUF to FLL
On-time arrival % by scheduled departure hour (local time), 1,145 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 7 | |
| 6am–7am | 82.9% | 1.3% | 238 |
| 7am–8am | 85.0% | 0.5% | 221 |
| 8am–9am | 83.6% | 2.4% | 125 |
| 9am–10am | 90.3% | 3.1% | 64 |
| 10am–11am | 76.9% | 0.0% | 117 |
| 11am–12pm | Limited data | 18 | |
| 12pm–1pm | Limited data | 11 | |
| 1pm–2pm | Limited data | 27 | |
| 2pm–3pm | Limited data | 24 | |
| 3pm–4pm | 58.5% | 1.8% | 55 |
| 4pm–5pm | 60.0% | 3.2% | 31 |
| 5pm–6pm | 51.4% | 1.3% | 75 |
| 6pm–7pm | 79.5% | 1.1% | 89 |
| 7pm–8pm | Limited data | 4 | |
| 8pm–9pm | 41.0% | 0.0% | 39 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BUF to FLL
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 | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 49.1% | -30.8 pts | 5.2% | 58 |
| Summer peak (Jun 15 - Aug 15) | 64.9% | -15.0 pts | 2.5% | 158 |
| All other days | 79.9% | — | 0.9% | 901 |
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).