Best Time to Fly LGA to BUF: On-Time Stats by Hour & Airline
LaGuardia → Buffalo Niagara International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.0% of New York (LGA) to Buffalo (BUF) flights arrived on time (1,758 scheduled flights). That is 1.7 points below the national average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
September has been the best month (92% on time) and Sunday the weakest day of the week (75%).
5.5% of flights were cancelled, versus 1.8% nationally.
LGA 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 |
|---|---|---|---|---|
| Republic Airways | 76.0% | 67 min | 5.5% | 1,758 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGA to BUF
On-time arrival % by scheduled departure hour (local time), 3,608 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 86.0% | 0.0% | 57 |
| 8am–9am | 93.0% | 1.6% | 303 |
| 9am–10am | 81.3% | 3.1% | 381 |
| 10am–11am | 80.5% | 1.7% | 120 |
| 11am–12pm | 84.9% | 1.3% | 154 |
| 12pm–1pm | 91.0% | 0.8% | 268 |
| 1pm–2pm | 75.5% | 4.2% | 307 |
| 2pm–3pm | 73.1% | 0.0% | 54 |
| 3pm–4pm | 76.1% | 3.6% | 391 |
| 4pm–5pm | 76.1% | 6.8% | 414 |
| 5pm–6pm | Limited data | 16 | |
| 6pm–7pm | 90.9% | 5.2% | 58 |
| 7pm–8pm | 75.3% | 7.2% | 83 |
| 8pm–9pm | 70.1% | 11.5% | 174 |
| 9pm–10pm | 70.9% | 7.0% | 827 |
| 10pm–11pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGA 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) | 81.5% | +1.7 pts | 0.0% | 65 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | +0.2 pts | 5.3% | 95 |
| Summer peak (Jun 15 - Aug 15) | 71.4% | -8.4 pts | 10.9% | 576 |
| All other days | 79.8% | — | 3.4% | 2,872 |
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).