BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BUF→EWR

Buffalo, NY (BUF) to Newark, NJ (EWR) flight delay odds

84.7% of 464 official scheduled BUF-to-EWR flights arrived on time; 8.4% arrived at least 30 minutes late and 3.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
84.7%arrived on time
8.4%30+ min late
3.2%cancelled
464scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.0%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-2.4 mincompleted flights

Which departure time was most reliable for BUF to EWR?

Among qualifying BUF-to-EWR departure window results, Late morning had the highest on-time rate: 89.4% of 113 flights. Evening was lowest at 74.7% across 75 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning25886.4%7.8%2.7%
Late morning11389.4%7.1%0.9%
Evening7574.7%10.7%9.3%

Which weekday was most reliable for BUF to EWR?

Among qualifying BUF-to-EWR weekday results, Friday had the highest on-time rate: 93.1% of 72 flights. Thursday was lowest at 78.9% across 71 flights.

DayFlightsOn time30+ minCancelled
Monday7284.7%8.3%2.8%
Tuesday7185.9%9.9%1.4%
Wednesday6683.3%12.1%3.0%
Thursday7178.9%9.9%5.6%
Friday7293.1%2.8%4.2%
Saturday4785.1%10.6%2.1%
Sunday6581.5%6.2%3.1%

Which airline was most reliable for BUF to EWR?

Among qualifying BUF-to-EWR airline results, United Airlines had the highest on-time rate: 86.7% of 120 flights. Republic Airways was lowest at 84.0% across 344 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways34484.0%9.0%3.8%
United Airlines12086.7%6.7%1.7%

Which month was most reliable for BUF to EWR?

Among qualifying BUF-to-EWR month results, March 2026 had the highest on-time rate: 92.6% of 27 flights. July 2025 was lowest at 75.9% across 54 flights.

MonthFlightsOn time30+ minCancelled
July 20255475.9%14.8%5.6%
August 20252176.2%14.3%0.0%
October 20253791.9%2.7%0.0%
November 20255986.4%6.8%0.0%
December 20255682.1%8.9%5.4%
March 20262792.6%3.7%3.7%
April 20263384.8%12.1%0.0%
May 20268789.7%4.6%2.3%
June 20267482.4%10.8%6.8%

What drove BUF to EWR delay minutes?

Airline was the largest recorded BUF-to-EWR delay category, accounting for 59.8% of 5,389 BTS-attributed delay minutes during July 2025–June 2026.

Airline59.8%
Late aircraft29.2%
National airspace10.9%
Weather0.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.