Best Time to Fly MCO to BUF: On-Time Stats by Hour & Airline
Orlando International → Buffalo Niagara International
Data through July 2026 · Last updated October 18, 2026
1,790 flights were scheduled from Orlando (MCO) to Buffalo (BUF) in the last 12 months, and 66.9% of those that flew arrived on time, 10.7 points below the US average of 77.6%.
Among 3 airlines, Frontier Airlines led with 72.5% on time and Southwest Airlines was last with 65.6%.
Over 24 months, Tuesday was the most reliable day (82% on time) and July the worst month (64%).
The cancellation rate was 1.3% (US average 1.8%).
MCO 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 |
|---|---|---|---|---|
| Frontier Airlines | 72.5% | 67 min | 1.0% | 298 |
| JetBlue | 66.0% | 73 min | 2.0% | 542 |
| Southwest Airlines | 65.6% | 52 min | 0.9% | 950 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MCO to BUF
On-time arrival % by scheduled departure hour (local time), 3,647 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 97.3% | 0.0% | 37 |
| 6am–7am | 94.5% | 1.1% | 183 |
| 7am–8am | 92.9% | 0.5% | 370 |
| 8am–9am | 85.6% | 1.8% | 276 |
| 9am–10am | 80.5% | 0.0% | 253 |
| 10am–11am | 83.8% | 1.4% | 138 |
| 11am–12pm | 70.5% | 1.9% | 211 |
| 12pm–1pm | 66.7% | 1.4% | 141 |
| 1pm–2pm | 72.6% | 0.9% | 228 |
| 2pm–3pm | 66.5% | 0.0% | 188 |
| 3pm–4pm | 66.2% | 0.9% | 212 |
| 4pm–5pm | 68.5% | 1.4% | 285 |
| 5pm–6pm | 58.2% | 1.2% | 167 |
| 6pm–7pm | 70.5% | 1.2% | 244 |
| 7pm–8pm | 60.8% | 1.2% | 325 |
| 8pm–9pm | 51.1% | 0.7% | 282 |
| 9pm–10pm | 56.0% | 0.0% | 92 |
| 10pm–11pm | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MCO 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) | 80.0% | +5.5 pts | 0.0% | 65 |
| Christmas & New Year (Dec 20 - Jan 3) | 60.0% | -14.5 pts | 3.3% | 181 |
| Summer peak (Jun 15 - Aug 15) | 65.0% | -9.6 pts | 1.0% | 499 |
| All other days | 74.5% | — | 0.9% | 2,902 |
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).