FlightRecord

Buffalo (BUF) to Raleigh/Durham (RDU): On-Time Performance

Data through July 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, 79% arrived on time.

On-time
79%
arrived <15 min late
Avg delay
14 min
completed flights
Cancelled
2.2%
Flights/day
0.29
last 12 months
Duration
1h 41m
scheduled
Distance
487 mi

Monthly on-time trend

Monthly on-time percentage for BUF to RDU flights50%75%100%July 2024: 92% on-time (13 flights)92Jul 2024August 2024: 81% on-time (16 flights)81September 2024: 100% on-time (14 flights)100October 2024: 93% on-time (16 flights)93Oct 2024November 2024: 88% on-time (17 flights)88December 2024: 50% on-time (6 flights)50January 2025: 50% on-time (2 flights)50Jan 2025May 2025: 91% on-time (11 flights)91June 2025: 100% on-time (12 flights)100July 2025: 91% on-time (13 flights)91Jul 2025August 2025: 79% on-time (14 flights)79September 2025: 88% on-time (8 flights)88October 2025: 100% on-time (13 flights)100Oct 2025November 2025: 69% on-time (16 flights)69December 2025: 57% on-time (7 flights)57January 2026: 50% on-time (2 flights)50Jan 2026April 2026: 82% on-time (11 flights)82May 2026: 70% on-time (10 flights)70June 2026: 50% on-time (12 flights)50Jun 2026July 2026: 23% on-time (13 flights)23

Best time to fly from BUF to RDU

Aim for departures around 9 a.m. (95% on-time); avoid 7 p.m. departures (64%).

On-time percentage by scheduled departure hour, BUF to RDU9 a.m.: 95% on-time (79 flights)95 p.m.: 73% on-time (33 flights)176 p.m.: 80% on-time (20 flights)187 p.m.: 64% on-time (44 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%9 min
Tuesday56%32 min
Wednesdaybest100%0 min
Thursday83%11 min
Friday82%14 min
Saturday75%20 min
Sunday78%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 aircraft71%
  • Airline operations10%
  • National airspace system18%
  • Weather1%

Frequently asked questions

How often are flights from BUF to RDU delayed?
21% of BUF–RDU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 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 (64%). 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 21% of the time.
How often are BUF to RDU flights cancelled?
2.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.

Based on 226 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.