Buffalo (BUF) to Fort Lauderdale (FLL): On-Time Performance
Data through May 2026
Buffalo (BUF) to Fort Lauderdale (FLL) effectively runs on two schedules. In November 2024, 100% of arrivals were on time; in August 2024 that fell to 34% — a 66-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 63%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 1.6
- last 12 months
- Duration
- 3h 6m
- scheduled
- Distance
- 1,166 mi
Best airline from BUF to FLL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue Airwaysmost reliable | 77% | 17 min | 1.2% | 1,005 |
| Southwest Airlines | 72% | 24 min | 0.7% | 144 |
Monthly on-time trend
Best time to fly from BUF to FLL
Aim for departures around 9 a.m. (88% on-time); avoid 5 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 23 min |
| Tuesdaybest | 87% | 12 min |
| Wednesday | 81% | 10 min |
| Thursday | 77% | 15 min |
| Friday | 71% | 25 min |
| Saturday | 77% | 17 min |
| Sunday | 73% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft47%
- Airline operations24%
- National airspace system26%
- Weather3%
Frequently asked questions
- How often are flights from BUF to FLL delayed?
- 23% of BUF–FLL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from BUF to FLL?
- JetBlue Airways has the best on-time record on this route at 77%, based on 1,005 flights. 2 airlines flew BUF–FLL frequently enough to compare in this period.
- What is the best time of day to fly from BUF to FLL?
- Departures around 9 a.m. have the best record (88% on-time), while departures around 5 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to FLL?
- The scheduled BUF–FLL flight time averages 3h 6m over 1,166 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are BUF to FLL flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BUF to FLL?
- August 2024 was the roughest month in this dataset, with only 34% of arrivals on time. The best was November 2024 at 100%. If your dates are flexible, that 66-point gap is worth planning around.
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Based on 1,149 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.