Buffalo (BUF) to Raleigh/Durham (RDU): On-Time Performance
Data through May 2026
Buffalo (BUF) to Raleigh/Durham (RDU) is a thinner route than most in this dataset — 106 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 0.29
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 487 mi
Monthly on-time trend
Best time to fly from BUF to RDU
Aim for departures around 9 a.m. (95% on-time); avoid 7 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 9 min |
| Tuesday | 67% | 29 min |
| Wednesdaybest | 100% | 0 min |
| Thursday | 85% | 9 min |
| Friday | 82% | 14 min |
| Saturday | 75% | 20 min |
| Sunday | 81% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft74%
- Airline operations11%
- National airspace system14%
- Weather1%
Frequently asked questions
- How often are flights from BUF to RDU delayed?
- 19% of BUF–RDU 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 13 minutes.
- What is the best time of day to fly from BUF to RDU?
- Departures around 9 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to RDU?
- The scheduled BUF–RDU flight time averages 1h 41m over 487 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are BUF to RDU flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
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Based on 214 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.