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Route Reliability

Buffalo → Raleigh–Durham

BUF–RDU · 487 miles · Buffalo Niagara International Airport to Raleigh–Durham International Airport

82
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
1 min
Average arrival delay
1.9%
Cancelled
106
Flights in the data

Data through May 2026.

Frontier Airlines is the only airline in this data on this route, arriving on time 82% of the time across 106 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BUF–RDU flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 67% between 12–3 PM.

Saturdays have been rough.

BUF–RDU flights arrived on time 94% of the time on Thursdays and just 74% on Saturdays. That gap is worth planning around.

Recent months have been rougher.

BUF–RDU flights arrived on time 74% of the time over the last three months in the data, compared with 90% in the three months before that.

The breakdown

On-time by weekday
  • Mon—(8 flights)
  • Tue—(2 flights)
  • Wed—(1 flights)
  • Thu94%(33 flights)
  • Fri—(5 flights)
  • Sat74%(19 flights)
  • Sun81%(36 flights)
On-time by departure window
  • 9 AM–12 PM91%(35 flights)
  • 12–3 PM67%(15 flights)
  • 3–6 PM80%(10 flights)
  • 6–9 PM80%(44 flights)
On-time trend by month
70%
May

Jun 100% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%12
July 202591%11
August 202579%14
October 2025100%13
November 202569%16
April 202682%11
May 202670%10

Keep nerding

Based on 106 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.