EWR → BUF: cancellations & delays
Over Jan 2023 - Apr 2026, 4.1% of Newark Liberty International Airport (EWR) to Buffalo Niagara International Airport (BUF) flights were cancelled and 23.6% arrived at least 15 minutes late, across 2,384 flights, flown by YX, UA. Cancellations peak in July.
Check today's live EWR departures →Airport pages: Newark Liberty International Airport (EWR) · Buffalo Niagara International Airport (BUF)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.